From 9b92ce04d65da33680aca5a9b40fcfe428a61fec Mon Sep 17 00:00:00 2001
From: Gyu-Ho Lee <gyuhox@gmail.com>
Date: Tue, 3 May 2016 15:34:26 -0700
Subject: [PATCH] *: sync with etcd master

---
 Godeps/Godeps.json                            |  49 +-
 agent/agent.go                                |  16 +-
 control/config.go                             |   2 +-
 control/control.go                            |  14 +-
 control/util.go                               |  18 +-
 vendor/github.com/bkaradzic/go-lz4/.gitignore |   1 -
 .../github.com/bkaradzic/go-lz4/.travis.yml   |   9 -
 vendor/github.com/bkaradzic/go-lz4/LICENSE    |  24 -
 vendor/github.com/bkaradzic/go-lz4/README.md  |  71 --
 vendor/github.com/bkaradzic/go-lz4/fuzz.go    |  23 -
 vendor/github.com/bkaradzic/go-lz4/reader.go  | 199 -----
 vendor/github.com/bkaradzic/go-lz4/writer.go  | 190 -----
 .../coreos/etcd/auth/authpb/auth.pb.go        |  29 +-
 .../github.com/coreos/etcd/clientv3/client.go |  12 -
 .../github.com/coreos/etcd/clientv3/config.go |   3 -
 .../github.com/coreos/etcd/clientv3/watch.go  |   3 +-
 .../etcdserver/etcdserverpb/etcdserver.pb.go  |  85 +-
 .../etcdserverpb/raft_internal.pb.go          |  88 ++-
 .../etcd/etcdserver/etcdserverpb/rpc.pb.go    | 384 ++++-----
 .../etcd/etcdserver/etcdserverpb/rpc.proto    |   4 +-
 .../coreos/etcd/mvcc/mvccpb/kv.pb.go          |  36 +-
 .../coreos/etcd/pkg/compress/compress.go      |  92 ---
 .../coreos/etcd/pkg/compress/doc.go           |  16 -
 .../coreos/etcd/pkg/compress/lz4.go           |  59 --
 .../coreos/etcd/pkg/compress/snappy.go        |  79 --
 vendor/github.com/golang/snappy/.gitignore    |  16 -
 vendor/github.com/golang/snappy/AUTHORS       |  15 -
 vendor/github.com/golang/snappy/CONTRIBUTORS  |  37 -
 vendor/github.com/golang/snappy/LICENSE       |  27 -
 vendor/github.com/golang/snappy/README        | 107 ---
 vendor/github.com/golang/snappy/decode.go     | 241 ------
 .../github.com/golang/snappy/decode_amd64.go  |  14 -
 .../github.com/golang/snappy/decode_amd64.s   | 476 ------------
 .../github.com/golang/snappy/decode_other.go  |  96 ---
 vendor/github.com/golang/snappy/encode.go     | 285 -------
 .../github.com/golang/snappy/encode_amd64.go  |  29 -
 .../github.com/golang/snappy/encode_amd64.s   | 730 ------------------
 .../github.com/golang/snappy/encode_other.go  | 238 ------
 vendor/github.com/golang/snappy/snappy.go     |  84 --
 39 files changed, 371 insertions(+), 3530 deletions(-)
 delete mode 100644 vendor/github.com/bkaradzic/go-lz4/.gitignore
 delete mode 100644 vendor/github.com/bkaradzic/go-lz4/.travis.yml
 delete mode 100644 vendor/github.com/bkaradzic/go-lz4/LICENSE
 delete mode 100644 vendor/github.com/bkaradzic/go-lz4/README.md
 delete mode 100644 vendor/github.com/bkaradzic/go-lz4/fuzz.go
 delete mode 100644 vendor/github.com/bkaradzic/go-lz4/reader.go
 delete mode 100644 vendor/github.com/bkaradzic/go-lz4/writer.go
 delete mode 100644 vendor/github.com/coreos/etcd/pkg/compress/compress.go
 delete mode 100644 vendor/github.com/coreos/etcd/pkg/compress/doc.go
 delete mode 100644 vendor/github.com/coreos/etcd/pkg/compress/lz4.go
 delete mode 100644 vendor/github.com/coreos/etcd/pkg/compress/snappy.go
 delete mode 100644 vendor/github.com/golang/snappy/.gitignore
 delete mode 100644 vendor/github.com/golang/snappy/AUTHORS
 delete mode 100644 vendor/github.com/golang/snappy/CONTRIBUTORS
 delete mode 100644 vendor/github.com/golang/snappy/LICENSE
 delete mode 100644 vendor/github.com/golang/snappy/README
 delete mode 100644 vendor/github.com/golang/snappy/decode.go
 delete mode 100644 vendor/github.com/golang/snappy/decode_amd64.go
 delete mode 100644 vendor/github.com/golang/snappy/decode_amd64.s
 delete mode 100644 vendor/github.com/golang/snappy/decode_other.go
 delete mode 100644 vendor/github.com/golang/snappy/encode.go
 delete mode 100644 vendor/github.com/golang/snappy/encode_amd64.go
 delete mode 100644 vendor/github.com/golang/snappy/encode_amd64.s
 delete mode 100644 vendor/github.com/golang/snappy/encode_other.go
 delete mode 100644 vendor/github.com/golang/snappy/snappy.go

diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json
index ebd0cd7d..ff74d748 100644
--- a/Godeps/Godeps.json
+++ b/Godeps/Godeps.json
@@ -18,10 +18,6 @@
 			"Comment": "go.weekly.2012-01-27-130-g672fe54",
 			"Rev": "672fe547df4e49efc6db67a74391368bcb149b37"
 		},
-		{
-			"ImportPath": "github.com/bkaradzic/go-lz4",
-			"Rev": "74ddf82598bc4745b965729e9c6a463bedd33049"
-		},
 		{
 			"ImportPath": "github.com/cheggaaa/pb",
 			"Comment": "v1.0.2-4-g8808370",
@@ -29,53 +25,48 @@
 		},
 		{
 			"ImportPath": "github.com/coreos/etcd/auth/authpb",
-			"Comment": "v2.3.0-646-gf383235",
-			"Rev": "f383235c3384f50360061b7ee86fa40c323a8e08"
+			"Comment": "v2.3.0-664-gb776153",
+			"Rev": "b7761530e1d5b9f404811d63786df60023a88db9"
 		},
 		{
 			"ImportPath": "github.com/coreos/etcd/client",
-			"Comment": "v2.3.0-646-gf383235",
-			"Rev": "f383235c3384f50360061b7ee86fa40c323a8e08"
+			"Comment": "v2.3.0-664-gb776153",
+			"Rev": "b7761530e1d5b9f404811d63786df60023a88db9"
 		},
 		{
 			"ImportPath": "github.com/coreos/etcd/clientv3",
-			"Comment": "v2.3.0-646-gf383235",
-			"Rev": "f383235c3384f50360061b7ee86fa40c323a8e08"
+			"Comment": "v2.3.0-664-gb776153",
+			"Rev": "b7761530e1d5b9f404811d63786df60023a88db9"
 		},
 		{
 			"ImportPath": "github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes",
-			"Comment": "v2.3.0-646-gf383235",
-			"Rev": "f383235c3384f50360061b7ee86fa40c323a8e08"
+			"Comment": "v2.3.0-664-gb776153",
+			"Rev": "b7761530e1d5b9f404811d63786df60023a88db9"
 		},
 		{
 			"ImportPath": "github.com/coreos/etcd/etcdserver/etcdserverpb",
-			"Comment": "v2.3.0-646-gf383235",
-			"Rev": "f383235c3384f50360061b7ee86fa40c323a8e08"
+			"Comment": "v2.3.0-664-gb776153",
+			"Rev": "b7761530e1d5b9f404811d63786df60023a88db9"
 		},
 		{
 			"ImportPath": "github.com/coreos/etcd/mvcc/mvccpb",
-			"Comment": "v2.3.0-646-gf383235",
-			"Rev": "f383235c3384f50360061b7ee86fa40c323a8e08"
-		},
-		{
-			"ImportPath": "github.com/coreos/etcd/pkg/compress",
-			"Comment": "v2.3.0-646-gf383235",
-			"Rev": "f383235c3384f50360061b7ee86fa40c323a8e08"
+			"Comment": "v2.3.0-664-gb776153",
+			"Rev": "b7761530e1d5b9f404811d63786df60023a88db9"
 		},
 		{
 			"ImportPath": "github.com/coreos/etcd/pkg/pathutil",
-			"Comment": "v2.3.0-646-gf383235",
-			"Rev": "f383235c3384f50360061b7ee86fa40c323a8e08"
+			"Comment": "v2.3.0-664-gb776153",
+			"Rev": "b7761530e1d5b9f404811d63786df60023a88db9"
 		},
 		{
 			"ImportPath": "github.com/coreos/etcd/pkg/tlsutil",
-			"Comment": "v2.3.0-646-gf383235",
-			"Rev": "f383235c3384f50360061b7ee86fa40c323a8e08"
+			"Comment": "v2.3.0-664-gb776153",
+			"Rev": "b7761530e1d5b9f404811d63786df60023a88db9"
 		},
 		{
 			"ImportPath": "github.com/coreos/etcd/pkg/types",
-			"Comment": "v2.3.0-646-gf383235",
-			"Rev": "f383235c3384f50360061b7ee86fa40c323a8e08"
+			"Comment": "v2.3.0-664-gb776153",
+			"Rev": "b7761530e1d5b9f404811d63786df60023a88db9"
 		},
 		{
 			"ImportPath": "github.com/cpuguy83/go-md2man/md2man",
@@ -129,10 +120,6 @@
 			"ImportPath": "github.com/golang/protobuf/proto",
 			"Rev": "6aaa8d47701fa6cf07e914ec01fde3d4a1fe79c3"
 		},
-		{
-			"ImportPath": "github.com/golang/snappy",
-			"Rev": "43fea289edce21979658cbbdb3925390890aa86e"
-		},
 		{
 			"ImportPath": "github.com/gonum/floats",
 			"Rev": "856ee8119ad91596c5394fa0a5c0470b6f16e676"
diff --git a/agent/agent.go b/agent/agent.go
index f9487fe4..335f76fc 100644
--- a/agent/agent.go
+++ b/agent/agent.go
@@ -29,7 +29,7 @@ import (
 
 	log "github.com/Sirupsen/logrus"
 	"github.com/coreos/dbtester/remotestorage"
-	"github.com/coreos/etcd/pkg/compress"
+	// "github.com/coreos/etcd/pkg/compress"
 	"github.com/gyuho/psn/ps"
 	"github.com/spf13/cobra"
 	"golang.org/x/net/context"
@@ -244,13 +244,13 @@ func (t *transporterServer) Transfer(ctx context.Context, r *Request) (*Response
 				"--initial-cluster", clusterStr,
 				"--initial-cluster-state", "new",
 			}
-			if t.req.EtcdCompression != "" {
-				if compress.ParseType(t.req.EtcdCompression) != compress.NoCompress {
-					flags = append(flags,
-						"--experimental-compression", t.req.EtcdCompression,
-					)
-				}
-			}
+			// if t.req.EtcdCompression != "" {
+			// 	if compress.ParseType(t.req.EtcdCompression) != compress.NoCompress {
+			// 		flags = append(flags,
+			// 			"--experimental-compression", t.req.EtcdCompression,
+			// 		)
+			// 	}
+			// }
 			flagString := strings.Join(flags, " ")
 
 			cmd := exec.Command(etcdBinaryPath, flags...)
diff --git a/control/config.go b/control/config.go
index be544e76..7d4404dd 100644
--- a/control/config.go
+++ b/control/config.go
@@ -37,7 +37,7 @@ type Config struct {
 	AgentEndpoints    []string
 	DatabaseEndpoints []string
 
-	// cgzip, cgzip-lv2, gzip, snappy, snappy-cpp
+	// snappy
 	EtcdCompression string `yaml:"etcd_compression"`
 
 	Step1 struct {
diff --git a/control/control.go b/control/control.go
index d0a257df..f3a95b2a 100644
--- a/control/control.go
+++ b/control/control.go
@@ -145,7 +145,7 @@ func step1(cfg Config) error {
 
 	req.ZookeeperMaxClientCnxns = cfg.Step1.ZookeeperMaxClientCnxns
 	req.ZookeeperSnapCount = cfg.Step1.ZookeeperSnapCount
-	req.EtcdCompression = cfg.EtcdCompression
+	// req.EtcdCompression = cfg.EtcdCompression
 
 	donec, errc := make(chan struct{}), make(chan error)
 	for i := range cfg.PeerIPs {
@@ -248,8 +248,8 @@ func step2(cfg Config) error {
 			}
 
 		case "etcdv3":
-			etcdClients = mustCreateClientsEtcdv3(cfg.DatabaseEndpoints, cfg.Step2.Clients, cfg.Step2.Connections, cfg.EtcdCompression)
-			// etcdClients = mustCreateClientsEtcdv3(cfg.DatabaseEndpoints, cfg.Step2.Clients, cfg.Step2.Connections)
+			// etcdClients = mustCreateClientsEtcdv3(cfg.DatabaseEndpoints, cfg.Step2.Clients, cfg.Step2.Connections, cfg.EtcdCompression)
+			etcdClients = mustCreateClientsEtcdv3(cfg.DatabaseEndpoints, cfg.Step2.Clients, cfg.Step2.Connections)
 			for i := range etcdClients {
 				wg.Add(1)
 				go doPutEtcdv3(context.Background(), etcdClients[i], requests)
@@ -382,8 +382,8 @@ func step2(cfg Config) error {
 			log.Printf("PUT '%s' to etcd", key)
 			var err error
 			for i := 0; i < 5; i++ {
-				clients := mustCreateClientsEtcdv3(cfg.DatabaseEndpoints, 1, 1, cfg.EtcdCompression)
-				// clients := mustCreateClientsEtcdv3(cfg.DatabaseEndpoints, 1, 1)
+				// clients := mustCreateClientsEtcdv3(cfg.DatabaseEndpoints, 1, 1, cfg.EtcdCompression)
+				clients := mustCreateClientsEtcdv3(cfg.DatabaseEndpoints, 1, 1)
 				_, err = clients[0].Do(context.Background(), clientv3.OpPut(key, value))
 				if err != nil {
 					continue
@@ -447,8 +447,8 @@ func step2(cfg Config) error {
 			}
 
 		case "etcdv3":
-			clients := mustCreateClientsEtcdv3(cfg.DatabaseEndpoints, cfg.Step2.Clients, cfg.Step2.Connections, cfg.EtcdCompression)
-			// clients := mustCreateClientsEtcdv3(cfg.DatabaseEndpoints, cfg.Step2.Clients, cfg.Step2.Connections)
+			// clients := mustCreateClientsEtcdv3(cfg.DatabaseEndpoints, cfg.Step2.Clients, cfg.Step2.Connections, cfg.EtcdCompression)
+			clients := mustCreateClientsEtcdv3(cfg.DatabaseEndpoints, cfg.Step2.Clients, cfg.Step2.Connections)
 			for i := range clients {
 				wg.Add(1)
 				go doRangeEtcdv3(clients[i].KV, requests)
diff --git a/control/util.go b/control/util.go
index fc123e59..6e2b1a63 100644
--- a/control/util.go
+++ b/control/util.go
@@ -36,7 +36,7 @@ import (
 
 	clientv2 "github.com/coreos/etcd/client"
 	"github.com/coreos/etcd/clientv3"
-	"github.com/coreos/etcd/pkg/compress"
+	// "github.com/coreos/etcd/pkg/compress"
 	"github.com/dustin/go-humanize"
 	consulapi "github.com/hashicorp/consul/api"
 	"github.com/samuel/go-zookeeper/zk"
@@ -75,13 +75,13 @@ var (
 	dialTotal int
 )
 
-func mustCreateConnEtcdv3(endpoints []string, compressType compress.Type) *clientv3.Client {
-	// func mustCreateConnEtcdv3(endpoints []string) *clientv3.Client {
+// func mustCreateConnEtcdv3(endpoints []string, compressType compress.Type) *clientv3.Client {
+func mustCreateConnEtcdv3(endpoints []string) *clientv3.Client {
 	endpoint := endpoints[dialTotal%len(endpoints)]
 	dialTotal++
 	cfg := clientv3.Config{
-		Endpoints:    []string{endpoint},
-		CompressType: compressType,
+		Endpoints: []string{endpoint},
+		// CompressType: compressType,
 	}
 	client, err := clientv3.New(cfg)
 	if err != nil {
@@ -91,12 +91,12 @@ func mustCreateConnEtcdv3(endpoints []string, compressType compress.Type) *clien
 	return client
 }
 
-func mustCreateClientsEtcdv3(endpoints []string, totalClients, totalConns int, compressionTypeTxt string) []*clientv3.Client {
-	// func mustCreateClientsEtcdv3(endpoints []string, totalClients, totalConns int) []*clientv3.Client {
+// func mustCreateClientsEtcdv3(endpoints []string, totalClients, totalConns int, compressionTypeTxt string) []*clientv3.Client {
+func mustCreateClientsEtcdv3(endpoints []string, totalClients, totalConns int) []*clientv3.Client {
 	conns := make([]*clientv3.Client, totalConns)
 	for i := range conns {
-		conns[i] = mustCreateConnEtcdv3(endpoints, compress.ParseType(compressionTypeTxt))
-		// conns[i] = mustCreateConnEtcdv3(endpoints)
+		// conns[i] = mustCreateConnEtcdv3(endpoints, compress.ParseType(compressionTypeTxt))
+		conns[i] = mustCreateConnEtcdv3(endpoints)
 	}
 
 	clients := make([]*clientv3.Client, totalClients)
diff --git a/vendor/github.com/bkaradzic/go-lz4/.gitignore b/vendor/github.com/bkaradzic/go-lz4/.gitignore
deleted file mode 100644
index be64db61..00000000
--- a/vendor/github.com/bkaradzic/go-lz4/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/lz4-example/lz4-example
diff --git a/vendor/github.com/bkaradzic/go-lz4/.travis.yml b/vendor/github.com/bkaradzic/go-lz4/.travis.yml
deleted file mode 100644
index d5870798..00000000
--- a/vendor/github.com/bkaradzic/go-lz4/.travis.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-language: go
-
-go:
-  - 1.1
-  - 1.2
-  - 1.3
-  - 1.4
-  - 1.5
-  - tip
diff --git a/vendor/github.com/bkaradzic/go-lz4/LICENSE b/vendor/github.com/bkaradzic/go-lz4/LICENSE
deleted file mode 100644
index 0545977b..00000000
--- a/vendor/github.com/bkaradzic/go-lz4/LICENSE
+++ /dev/null
@@ -1,24 +0,0 @@
-Copyright 2011-2012 Branimir Karadzic. All rights reserved.
-Copyright 2013 Damian Gryski. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
-   1. Redistributions of source code must retain the above copyright notice, this
-      list of conditions and the following disclaimer.
-
-   2. Redistributions in binary form must reproduce the above copyright notice,
-      this list of conditions and the following disclaimer in the documentation
-      and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDER ``AS IS'' AND ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
-SHALL COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
-OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-THE POSSIBILITY OF SUCH DAMAGE.
-
diff --git a/vendor/github.com/bkaradzic/go-lz4/README.md b/vendor/github.com/bkaradzic/go-lz4/README.md
deleted file mode 100644
index ef3fe1e1..00000000
--- a/vendor/github.com/bkaradzic/go-lz4/README.md
+++ /dev/null
@@ -1,71 +0,0 @@
-go-lz4
-======
-
-go-lz4 is port of LZ4 lossless compression algorithm to Go. The original C code
-is located at:
-
-https://github.com/Cyan4973/lz4
-
-Status
-------
-[![Build Status](https://secure.travis-ci.org/bkaradzic/go-lz4.png)](http://travis-ci.org/bkaradzic/go-lz4)  
-[![GoDoc](https://godoc.org/github.com/bkaradzic/go-lz4?status.png)](https://godoc.org/github.com/bkaradzic/go-lz4)
-
-Usage
------
-
-    go get github.com/bkaradzic/go-lz4
-
-    import "github.com/bkaradzic/go-lz4"
-
-The package name is `lz4`
-
-Notes
------
-
-* go-lz4 saves a uint32 with the original uncompressed length at the beginning
-  of the encoded buffer.  They may get in the way of interoperability with
-  other implementations.
-
-Contributors
-------------
-
-Damian Gryski ([@dgryski](https://github.com/dgryski))  
-Dustin Sallings ([@dustin](https://github.com/dustin))
-
-Contact
--------
-
-[@bkaradzic](https://twitter.com/bkaradzic)  
-http://www.stuckingeometry.com
-
-Project page  
-https://github.com/bkaradzic/go-lz4
-
-License
--------
-
-Copyright 2011-2012 Branimir Karadzic. All rights reserved.  
-Copyright 2013 Damian Gryski. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
-   1. Redistributions of source code must retain the above copyright notice, this
-      list of conditions and the following disclaimer.
-
-   2. Redistributions in binary form must reproduce the above copyright notice,
-      this list of conditions and the following disclaimer in the documentation
-      and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDER ``AS IS'' AND ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
-SHALL COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
-OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-THE POSSIBILITY OF SUCH DAMAGE.
-
diff --git a/vendor/github.com/bkaradzic/go-lz4/fuzz.go b/vendor/github.com/bkaradzic/go-lz4/fuzz.go
deleted file mode 100644
index e4989de9..00000000
--- a/vendor/github.com/bkaradzic/go-lz4/fuzz.go
+++ /dev/null
@@ -1,23 +0,0 @@
-// +build gofuzz
-
-package lz4
-
-import "encoding/binary"
-
-func Fuzz(data []byte) int {
-
-	if len(data) < 4 {
-		return 0
-	}
-
-	ln := binary.LittleEndian.Uint32(data)
-	if ln > (1 << 21) {
-		return 0
-	}
-
-	if _, err := Decode(nil, data); err != nil {
-		return 0
-	}
-
-	return 1
-}
diff --git a/vendor/github.com/bkaradzic/go-lz4/reader.go b/vendor/github.com/bkaradzic/go-lz4/reader.go
deleted file mode 100644
index a2b6535f..00000000
--- a/vendor/github.com/bkaradzic/go-lz4/reader.go
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
- * Copyright 2011-2012 Branimir Karadzic. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- *    1. Redistributions of source code must retain the above copyright notice, this
- *       list of conditions and the following disclaimer.
- *
- *    2. Redistributions in binary form must reproduce the above copyright notice,
- *       this list of conditions and the following disclaimer in the documentation
- *       and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDER ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
- * SHALL COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-package lz4
-
-import (
-	"encoding/binary"
-	"errors"
-	"io"
-)
-
-var (
-	// ErrCorrupt indicates the input was corrupt
-	ErrCorrupt = errors.New("corrupt input")
-)
-
-const (
-	mlBits  = 4
-	mlMask  = (1 << mlBits) - 1
-	runBits = 8 - mlBits
-	runMask = (1 << runBits) - 1
-)
-
-type decoder struct {
-	src  []byte
-	dst  []byte
-	spos uint32
-	dpos uint32
-	ref  uint32
-}
-
-func (d *decoder) readByte() (uint8, error) {
-	if int(d.spos) == len(d.src) {
-		return 0, io.EOF
-	}
-	b := d.src[d.spos]
-	d.spos++
-	return b, nil
-}
-
-func (d *decoder) getLen() (uint32, error) {
-
-	length := uint32(0)
-	ln, err := d.readByte()
-	if err != nil {
-		return 0, ErrCorrupt
-	}
-	for ln == 255 {
-		length += 255
-		ln, err = d.readByte()
-		if err != nil {
-			return 0, ErrCorrupt
-		}
-	}
-	length += uint32(ln)
-
-	return length, nil
-}
-
-func (d *decoder) cp(length, decr uint32) {
-
-	if int(d.ref+length) < int(d.dpos) {
-		copy(d.dst[d.dpos:], d.dst[d.ref:d.ref+length])
-	} else {
-		for ii := uint32(0); ii < length; ii++ {
-			d.dst[d.dpos+ii] = d.dst[d.ref+ii]
-		}
-	}
-	d.dpos += length
-	d.ref += length - decr
-}
-
-func (d *decoder) finish(err error) error {
-	if err == io.EOF {
-		return nil
-	}
-
-	return err
-}
-
-// Decode returns the decoded form of src.  The returned slice may be a
-// subslice of dst if it was large enough to hold the entire decoded block.
-func Decode(dst, src []byte) ([]byte, error) {
-
-	if len(src) < 4 {
-		return nil, ErrCorrupt
-	}
-
-	uncompressedLen := binary.LittleEndian.Uint32(src)
-
-	if uncompressedLen == 0 {
-		return nil, nil
-	}
-
-	if uncompressedLen > MaxInputSize {
-		return nil, ErrTooLarge
-	}
-
-	if dst == nil || len(dst) < int(uncompressedLen) {
-		dst = make([]byte, uncompressedLen)
-	}
-
-	d := decoder{src: src, dst: dst[:uncompressedLen], spos: 4}
-
-	decr := []uint32{0, 3, 2, 3}
-
-	for {
-		code, err := d.readByte()
-		if err != nil {
-			return d.dst, d.finish(err)
-		}
-
-		length := uint32(code >> mlBits)
-		if length == runMask {
-			ln, err := d.getLen()
-			if err != nil {
-				return nil, ErrCorrupt
-			}
-			length += ln
-		}
-
-		if int(d.spos+length) > len(d.src) || int(d.dpos+length) > len(d.dst) {
-			return nil, ErrCorrupt
-		}
-
-		for ii := uint32(0); ii < length; ii++ {
-			d.dst[d.dpos+ii] = d.src[d.spos+ii]
-		}
-
-		d.spos += length
-		d.dpos += length
-
-		if int(d.spos) == len(d.src) {
-			return d.dst, nil
-		}
-
-		if int(d.spos+2) >= len(d.src) {
-			return nil, ErrCorrupt
-		}
-
-		back := uint32(d.src[d.spos]) | uint32(d.src[d.spos+1])<<8
-
-		if back > d.dpos {
-			return nil, ErrCorrupt
-		}
-
-		d.spos += 2
-		d.ref = d.dpos - back
-
-		length = uint32(code & mlMask)
-		if length == mlMask {
-			ln, err := d.getLen()
-			if err != nil {
-				return nil, ErrCorrupt
-			}
-			length += ln
-		}
-
-		literal := d.dpos - d.ref
-
-		if literal < 4 {
-			if int(d.dpos+4) > len(d.dst) {
-				return nil, ErrCorrupt
-			}
-
-			d.cp(4, decr[literal])
-		} else {
-			length += 4
-		}
-
-		if d.dpos+length > uncompressedLen {
-			return nil, ErrCorrupt
-		}
-
-		d.cp(length, 0)
-	}
-}
diff --git a/vendor/github.com/bkaradzic/go-lz4/writer.go b/vendor/github.com/bkaradzic/go-lz4/writer.go
deleted file mode 100644
index 2bf84da5..00000000
--- a/vendor/github.com/bkaradzic/go-lz4/writer.go
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- * Copyright 2011-2012 Branimir Karadzic. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- *    1. Redistributions of source code must retain the above copyright notice, this
- *       list of conditions and the following disclaimer.
- *
- *    2. Redistributions in binary form must reproduce the above copyright notice,
- *       this list of conditions and the following disclaimer in the documentation
- *       and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDER ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
- * SHALL COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-package lz4
-
-import (
-	"encoding/binary"
-	"errors"
-)
-
-const (
-	minMatch              = 4
-	hashLog               = 17
-	hashTableSize         = 1 << hashLog
-	hashShift             = (minMatch * 8) - hashLog
-	incompressible uint32 = 128
-	uninitHash            = 0x88888888
-
-	// MaxInputSize is the largest buffer than can be compressed in a single block
-	MaxInputSize = 0x7E000000
-)
-
-var (
-	// ErrTooLarge indicates the input buffer was too large
-	ErrTooLarge = errors.New("input too large")
-)
-
-type encoder struct {
-	src       []byte
-	dst       []byte
-	hashTable []uint32
-	pos       uint32
-	anchor    uint32
-	dpos      uint32
-}
-
-// CompressBound returns the maximum length of a lz4 block, given it's uncompressed length
-func CompressBound(isize int) int {
-	if isize > MaxInputSize {
-		return 0
-	}
-	return isize + ((isize) / 255) + 16 + 4
-}
-
-func (e *encoder) writeLiterals(length, mlLen, pos uint32) {
-
-	ln := length
-
-	var code byte
-	if ln > runMask-1 {
-		code = runMask
-	} else {
-		code = byte(ln)
-	}
-
-	if mlLen > mlMask-1 {
-		e.dst[e.dpos] = (code << mlBits) + byte(mlMask)
-	} else {
-		e.dst[e.dpos] = (code << mlBits) + byte(mlLen)
-	}
-	e.dpos++
-
-	if code == runMask {
-		ln -= runMask
-		for ; ln > 254; ln -= 255 {
-			e.dst[e.dpos] = 255
-			e.dpos++
-		}
-
-		e.dst[e.dpos] = byte(ln)
-		e.dpos++
-	}
-
-	for ii := uint32(0); ii < length; ii++ {
-		e.dst[e.dpos+ii] = e.src[pos+ii]
-	}
-
-	e.dpos += length
-}
-
-// Encode returns the encoded form of src.  The returned array may be a
-// sub-slice of dst if it was large enough to hold the entire output.
-func Encode(dst, src []byte) ([]byte, error) {
-
-	if len(src) >= MaxInputSize {
-		return nil, ErrTooLarge
-	}
-
-	if n := CompressBound(len(src)); len(dst) < n {
-		dst = make([]byte, n)
-	}
-
-	e := encoder{src: src, dst: dst, hashTable: make([]uint32, hashTableSize)}
-
-	binary.LittleEndian.PutUint32(dst, uint32(len(src)))
-	e.dpos = 4
-
-	var (
-		step  uint32 = 1
-		limit        = incompressible
-	)
-
-	for {
-		if int(e.pos)+12 >= len(e.src) {
-			e.writeLiterals(uint32(len(e.src))-e.anchor, 0, e.anchor)
-			return e.dst[:e.dpos], nil
-		}
-
-		sequence := uint32(e.src[e.pos+3])<<24 | uint32(e.src[e.pos+2])<<16 | uint32(e.src[e.pos+1])<<8 | uint32(e.src[e.pos+0])
-
-		hash := (sequence * 2654435761) >> hashShift
-		ref := e.hashTable[hash] + uninitHash
-		e.hashTable[hash] = e.pos - uninitHash
-
-		if ((e.pos-ref)>>16) != 0 || uint32(e.src[ref+3])<<24|uint32(e.src[ref+2])<<16|uint32(e.src[ref+1])<<8|uint32(e.src[ref+0]) != sequence {
-			if e.pos-e.anchor > limit {
-				limit <<= 1
-				step += 1 + (step >> 2)
-			}
-			e.pos += step
-			continue
-		}
-
-		if step > 1 {
-			e.hashTable[hash] = ref - uninitHash
-			e.pos -= step - 1
-			step = 1
-			continue
-		}
-		limit = incompressible
-
-		ln := e.pos - e.anchor
-		back := e.pos - ref
-
-		anchor := e.anchor
-
-		e.pos += minMatch
-		ref += minMatch
-		e.anchor = e.pos
-
-		for int(e.pos) < len(e.src)-5 && e.src[e.pos] == e.src[ref] {
-			e.pos++
-			ref++
-		}
-
-		mlLen := e.pos - e.anchor
-
-		e.writeLiterals(ln, mlLen, anchor)
-		e.dst[e.dpos] = uint8(back)
-		e.dst[e.dpos+1] = uint8(back >> 8)
-		e.dpos += 2
-
-		if mlLen > mlMask-1 {
-			mlLen -= mlMask
-			for mlLen > 254 {
-				mlLen -= 255
-
-				e.dst[e.dpos] = 255
-				e.dpos++
-			}
-
-			e.dst[e.dpos] = byte(mlLen)
-			e.dpos++
-		}
-
-		e.anchor = e.pos
-	}
-}
diff --git a/vendor/github.com/coreos/etcd/auth/authpb/auth.pb.go b/vendor/github.com/coreos/etcd/auth/authpb/auth.pb.go
index 3acf3556..7d401040 100644
--- a/vendor/github.com/coreos/etcd/auth/authpb/auth.pb.go
+++ b/vendor/github.com/coreos/etcd/auth/authpb/auth.pb.go
@@ -756,20 +756,21 @@ var (
 )
 
 var fileDescriptorAuth = []byte{
-	// 236 bytes of a gzipped FileDescriptorProto
+	// 254 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0xe2, 0x4a, 0x2c, 0x2d, 0xc9,
 	0xd0, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0x62, 0x03, 0xb1, 0x0b, 0x92, 0xa4, 0x44, 0xd2, 0xf3,
-	0xd3, 0xf3, 0xc1, 0x42, 0xfa, 0x20, 0x16, 0x44, 0x56, 0xc9, 0x94, 0x8b, 0x25, 0xb4, 0x38, 0xb5,
-	0x48, 0x88, 0x87, 0x8b, 0x25, 0x2f, 0x31, 0x37, 0x55, 0x82, 0x51, 0x81, 0x51, 0x83, 0x47, 0x48,
-	0x80, 0x8b, 0xa3, 0x20, 0xb1, 0xb8, 0xb8, 0x3c, 0xbf, 0x28, 0x45, 0x82, 0x09, 0x2c, 0xc2, 0xcb,
-	0xc5, 0x5a, 0x94, 0x9f, 0x93, 0x5a, 0x2c, 0xc1, 0xac, 0xc0, 0xac, 0xc1, 0xa9, 0x54, 0xc0, 0xc5,
-	0x15, 0x90, 0x5a, 0x94, 0x9b, 0x59, 0x5c, 0x9c, 0x99, 0x9f, 0x27, 0xc4, 0xcd, 0xc5, 0x9c, 0x9d,
-	0x5a, 0x09, 0xd5, 0xab, 0x09, 0xd4, 0x0b, 0x94, 0x0a, 0xa9, 0x2c, 0x48, 0x05, 0xeb, 0xe5, 0x33,
-	0x12, 0xd7, 0x83, 0x38, 0x41, 0x0f, 0xa1, 0x45, 0x0f, 0x24, 0xad, 0xa4, 0xc5, 0xc5, 0x02, 0xa2,
-	0x85, 0x38, 0xb8, 0x58, 0x82, 0x5c, 0x1d, 0x5d, 0x04, 0x18, 0x84, 0x38, 0xb9, 0x58, 0xc3, 0x83,
-	0x3c, 0x43, 0x5c, 0x05, 0x18, 0x81, 0x36, 0x72, 0x82, 0x04, 0x21, 0x5c, 0x26, 0x25, 0x7b, 0xa0,
-	0x1a, 0xa0, 0x03, 0xd0, 0x1c, 0xaa, 0xc9, 0xc5, 0x0b, 0xb4, 0x19, 0x61, 0x2e, 0xd0, 0x46, 0x66,
-	0x0d, 0x6e, 0x23, 0x21, 0x4c, 0x1b, 0x9d, 0x44, 0x4e, 0x3c, 0x94, 0x63, 0xb8, 0x00, 0xc4, 0x27,
-	0x1e, 0xc9, 0x31, 0x5e, 0x00, 0xe2, 0x07, 0x40, 0x9c, 0xc4, 0x06, 0x0e, 0x06, 0x63, 0x40, 0x00,
-	0x00, 0x00, 0xff, 0xff, 0x8d, 0x09, 0x06, 0x6e, 0x32, 0x01, 0x00, 0x00,
+	0xd3, 0xf3, 0xc1, 0x42, 0xfa, 0x20, 0x16, 0x44, 0x56, 0xc9, 0x87, 0x8b, 0x25, 0xb4, 0x38, 0xb5,
+	0x48, 0x48, 0x88, 0x8b, 0x25, 0x2f, 0x31, 0x37, 0x55, 0x82, 0x51, 0x81, 0x51, 0x83, 0x27, 0x08,
+	0xcc, 0x16, 0x92, 0xe2, 0xe2, 0x28, 0x48, 0x2c, 0x2e, 0x2e, 0xcf, 0x2f, 0x4a, 0x91, 0x60, 0x02,
+	0x8b, 0xc3, 0xf9, 0x42, 0x22, 0x5c, 0xac, 0x45, 0xf9, 0x39, 0xa9, 0xc5, 0x12, 0xcc, 0x0a, 0xcc,
+	0x1a, 0x9c, 0x41, 0x10, 0x8e, 0x52, 0x3d, 0x17, 0x57, 0x40, 0x6a, 0x51, 0x6e, 0x66, 0x71, 0x71,
+	0x66, 0x7e, 0x9e, 0x90, 0x00, 0x17, 0x73, 0x76, 0x6a, 0x25, 0xd4, 0x48, 0x10, 0x53, 0xc8, 0x18,
+	0x68, 0x22, 0x50, 0x3e, 0xa4, 0xb2, 0x20, 0x15, 0x6c, 0x22, 0x9f, 0x91, 0xb8, 0x1e, 0xc4, 0x79,
+	0x7a, 0x08, 0x7d, 0x7a, 0x20, 0xe9, 0x20, 0xb8, 0x42, 0x25, 0x2d, 0x2e, 0x16, 0x10, 0x2d, 0xc4,
+	0xc1, 0xc5, 0x12, 0xe4, 0xea, 0xe8, 0x22, 0xc0, 0x20, 0xc4, 0xc9, 0xc5, 0x1a, 0x1e, 0xe4, 0x19,
+	0xe2, 0x2a, 0xc0, 0x28, 0xc4, 0xcb, 0xc5, 0x09, 0x12, 0x84, 0x70, 0x99, 0x94, 0x42, 0x80, 0x6a,
+	0x80, 0x2e, 0xc1, 0xea, 0x1d, 0x0b, 0x2e, 0x5e, 0xa0, 0x1b, 0x10, 0xf6, 0x00, 0x5d, 0xc0, 0xac,
+	0xc1, 0x6d, 0x24, 0x84, 0xe9, 0x82, 0x20, 0x54, 0x85, 0x4e, 0x22, 0x27, 0x1e, 0xca, 0x31, 0x5c,
+	0x00, 0xe2, 0x13, 0x8f, 0xe4, 0x18, 0x2f, 0x00, 0xf1, 0x03, 0x20, 0x4e, 0x62, 0x03, 0x87, 0xa0,
+	0x31, 0x20, 0x00, 0x00, 0xff, 0xff, 0x92, 0x06, 0xa1, 0xed, 0x6d, 0x01, 0x00, 0x00,
 }
diff --git a/vendor/github.com/coreos/etcd/clientv3/client.go b/vendor/github.com/coreos/etcd/clientv3/client.go
index ba00d8dd..5ef96f25 100644
--- a/vendor/github.com/coreos/etcd/clientv3/client.go
+++ b/vendor/github.com/coreos/etcd/clientv3/client.go
@@ -24,7 +24,6 @@ import (
 	"sync"
 	"time"
 
-	"github.com/coreos/etcd/pkg/compress"
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
@@ -123,17 +122,6 @@ func (c *Client) Dial(endpoint string) (*grpc.ClientConn, error) {
 		opts = append(opts, grpc.WithInsecure())
 	}
 
-	switch c.cfg.CompressType {
-	case compress.Snappy:
-		opts = append(opts,
-			grpc.WithCompressor(compress.NewSnappyCompressor()),
-			grpc.WithDecompressor(compress.NewSnappyDecompressor()))
-	case compress.Lz4:
-		opts = append(opts,
-			grpc.WithCompressor(compress.NewLz4Compressor()),
-			grpc.WithDecompressor(compress.NewLz4Decompressor()))
-	}
-
 	proto := "tcp"
 	if url, uerr := url.Parse(endpoint); uerr == nil && url.Scheme == "unix" {
 		proto = "unix"
diff --git a/vendor/github.com/coreos/etcd/clientv3/config.go b/vendor/github.com/coreos/etcd/clientv3/config.go
index 83e087ee..494999bd 100644
--- a/vendor/github.com/coreos/etcd/clientv3/config.go
+++ b/vendor/github.com/coreos/etcd/clientv3/config.go
@@ -20,7 +20,6 @@ import (
 	"io/ioutil"
 	"time"
 
-	"github.com/coreos/etcd/pkg/compress"
 	"github.com/coreos/etcd/pkg/tlsutil"
 	"github.com/ghodss/yaml"
 	"google.golang.org/grpc"
@@ -44,8 +43,6 @@ type Config struct {
 
 	// Logger is the logger used by client library.
 	Logger Logger
-
-	CompressType compress.Type
 }
 
 type yamlConfig struct {
diff --git a/vendor/github.com/coreos/etcd/clientv3/watch.go b/vendor/github.com/coreos/etcd/clientv3/watch.go
index 34636f15..e2cf9914 100644
--- a/vendor/github.com/coreos/etcd/clientv3/watch.go
+++ b/vendor/github.com/coreos/etcd/clientv3/watch.go
@@ -440,7 +440,7 @@ func (w *watcher) serveStream(ws *watcherStream) {
 				return
 			}
 			// resume up to last seen event if disconnected
-			if resuming {
+			if resuming && wr.Err() == nil {
 				resuming = false
 				// trim events already seen
 				for i := 0; i < len(wr.Events); i++ {
@@ -454,6 +454,7 @@ func (w *watcher) serveStream(ws *watcherStream) {
 					break
 				}
 			}
+			resuming = false
 			// TODO don't keep buffering if subscriber stops reading
 			wrs = append(wrs, wr)
 		case resumeRev := <-ws.resumec:
diff --git a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/etcdserver.pb.go b/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/etcdserver.pb.go
index 56e44782..872997b6 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/etcdserver.pb.go
+++ b/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/etcdserver.pb.go
@@ -110,23 +110,23 @@ var _ = math.Inf
 const _ = proto.GoGoProtoPackageIsVersion1
 
 type Request struct {
-	ID               uint64 `protobuf:"varint,1,opt,name=ID" json:"ID"`
-	Method           string `protobuf:"bytes,2,opt,name=Method" json:"Method"`
-	Path             string `protobuf:"bytes,3,opt,name=Path" json:"Path"`
-	Val              string `protobuf:"bytes,4,opt,name=Val" json:"Val"`
-	Dir              bool   `protobuf:"varint,5,opt,name=Dir" json:"Dir"`
-	PrevValue        string `protobuf:"bytes,6,opt,name=PrevValue" json:"PrevValue"`
-	PrevIndex        uint64 `protobuf:"varint,7,opt,name=PrevIndex" json:"PrevIndex"`
-	PrevExist        *bool  `protobuf:"varint,8,opt,name=PrevExist" json:"PrevExist,omitempty"`
-	Expiration       int64  `protobuf:"varint,9,opt,name=Expiration" json:"Expiration"`
-	Wait             bool   `protobuf:"varint,10,opt,name=Wait" json:"Wait"`
-	Since            uint64 `protobuf:"varint,11,opt,name=Since" json:"Since"`
-	Recursive        bool   `protobuf:"varint,12,opt,name=Recursive" json:"Recursive"`
-	Sorted           bool   `protobuf:"varint,13,opt,name=Sorted" json:"Sorted"`
-	Quorum           bool   `protobuf:"varint,14,opt,name=Quorum" json:"Quorum"`
-	Time             int64  `protobuf:"varint,15,opt,name=Time" json:"Time"`
-	Stream           bool   `protobuf:"varint,16,opt,name=Stream" json:"Stream"`
-	Refresh          *bool  `protobuf:"varint,17,opt,name=Refresh" json:"Refresh,omitempty"`
+	ID               uint64 `protobuf:"varint,1,opt,name=ID,json=iD" json:"ID"`
+	Method           string `protobuf:"bytes,2,opt,name=Method,json=method" json:"Method"`
+	Path             string `protobuf:"bytes,3,opt,name=Path,json=path" json:"Path"`
+	Val              string `protobuf:"bytes,4,opt,name=Val,json=val" json:"Val"`
+	Dir              bool   `protobuf:"varint,5,opt,name=Dir,json=dir" json:"Dir"`
+	PrevValue        string `protobuf:"bytes,6,opt,name=PrevValue,json=prevValue" json:"PrevValue"`
+	PrevIndex        uint64 `protobuf:"varint,7,opt,name=PrevIndex,json=prevIndex" json:"PrevIndex"`
+	PrevExist        *bool  `protobuf:"varint,8,opt,name=PrevExist,json=prevExist" json:"PrevExist,omitempty"`
+	Expiration       int64  `protobuf:"varint,9,opt,name=Expiration,json=expiration" json:"Expiration"`
+	Wait             bool   `protobuf:"varint,10,opt,name=Wait,json=wait" json:"Wait"`
+	Since            uint64 `protobuf:"varint,11,opt,name=Since,json=since" json:"Since"`
+	Recursive        bool   `protobuf:"varint,12,opt,name=Recursive,json=recursive" json:"Recursive"`
+	Sorted           bool   `protobuf:"varint,13,opt,name=Sorted,json=sorted" json:"Sorted"`
+	Quorum           bool   `protobuf:"varint,14,opt,name=Quorum,json=quorum" json:"Quorum"`
+	Time             int64  `protobuf:"varint,15,opt,name=Time,json=time" json:"Time"`
+	Stream           bool   `protobuf:"varint,16,opt,name=Stream,json=stream" json:"Stream"`
+	Refresh          *bool  `protobuf:"varint,17,opt,name=Refresh,json=refresh" json:"Refresh,omitempty"`
 	XXX_unrecognized []byte `json:"-"`
 }
 
@@ -136,8 +136,8 @@ func (*Request) ProtoMessage()               {}
 func (*Request) Descriptor() ([]byte, []int) { return fileDescriptorEtcdserver, []int{0} }
 
 type Metadata struct {
-	NodeID           uint64 `protobuf:"varint,1,opt,name=NodeID" json:"NodeID"`
-	ClusterID        uint64 `protobuf:"varint,2,opt,name=ClusterID" json:"ClusterID"`
+	NodeID           uint64 `protobuf:"varint,1,opt,name=NodeID,json=nodeID" json:"NodeID"`
+	ClusterID        uint64 `protobuf:"varint,2,opt,name=ClusterID,json=clusterID" json:"ClusterID"`
 	XXX_unrecognized []byte `json:"-"`
 }
 
@@ -1005,25 +1005,30 @@ var (
 )
 
 var fileDescriptorEtcdserver = []byte{
-	// 320 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x5c, 0x91, 0x4f, 0x4f, 0xf2, 0x40,
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+	// 388 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x5c, 0x92, 0xd1, 0xee, 0xd2, 0x30,
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+	0xab, 0x51, 0xc8, 0x4b, 0x18, 0xfd, 0xd3, 0xd5, 0x33, 0x36, 0x75, 0x8b, 0xfe, 0xa2, 0x50, 0xef,
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+	0xa0, 0x02, 0x00, 0x00,
 }
diff --git a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/raft_internal.pb.go b/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/raft_internal.pb.go
index b3c1c5c1..7771eac1 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/raft_internal.pb.go
+++ b/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/raft_internal.pb.go
@@ -22,22 +22,22 @@ var _ = math.Inf
 // An InternalRaftRequest is the union of all requests which can be
 // sent via raft.
 type InternalRaftRequest struct {
-	ID                     uint64                         `protobuf:"varint,1,opt,name=ID,proto3" json:"ID,omitempty"`
+	ID                     uint64                         `protobuf:"varint,1,opt,name=ID,json=iD,proto3" json:"ID,omitempty"`
 	V2                     *Request                       `protobuf:"bytes,2,opt,name=v2" json:"v2,omitempty"`
 	Range                  *RangeRequest                  `protobuf:"bytes,3,opt,name=range" json:"range,omitempty"`
 	Put                    *PutRequest                    `protobuf:"bytes,4,opt,name=put" json:"put,omitempty"`
-	DeleteRange            *DeleteRangeRequest            `protobuf:"bytes,5,opt,name=delete_range" json:"delete_range,omitempty"`
+	DeleteRange            *DeleteRangeRequest            `protobuf:"bytes,5,opt,name=delete_range,json=deleteRange" json:"delete_range,omitempty"`
 	Txn                    *TxnRequest                    `protobuf:"bytes,6,opt,name=txn" json:"txn,omitempty"`
 	Compaction             *CompactionRequest             `protobuf:"bytes,7,opt,name=compaction" json:"compaction,omitempty"`
-	LeaseGrant             *LeaseGrantRequest             `protobuf:"bytes,8,opt,name=lease_grant" json:"lease_grant,omitempty"`
-	LeaseRevoke            *LeaseRevokeRequest            `protobuf:"bytes,9,opt,name=lease_revoke" json:"lease_revoke,omitempty"`
-	AuthEnable             *AuthEnableRequest             `protobuf:"bytes,10,opt,name=auth_enable" json:"auth_enable,omitempty"`
-	AuthUserAdd            *AuthUserAddRequest            `protobuf:"bytes,11,opt,name=auth_user_add" json:"auth_user_add,omitempty"`
-	AuthUserDelete         *AuthUserDeleteRequest         `protobuf:"bytes,12,opt,name=auth_user_delete" json:"auth_user_delete,omitempty"`
-	AuthUserChangePassword *AuthUserChangePasswordRequest `protobuf:"bytes,13,opt,name=auth_user_change_password" json:"auth_user_change_password,omitempty"`
-	AuthUserGrant          *AuthUserGrantRequest          `protobuf:"bytes,14,opt,name=auth_user_grant" json:"auth_user_grant,omitempty"`
-	AuthRoleAdd            *AuthRoleAddRequest            `protobuf:"bytes,15,opt,name=auth_role_add" json:"auth_role_add,omitempty"`
-	AuthRoleGrant          *AuthRoleGrantRequest          `protobuf:"bytes,16,opt,name=auth_role_grant" json:"auth_role_grant,omitempty"`
+	LeaseGrant             *LeaseGrantRequest             `protobuf:"bytes,8,opt,name=lease_grant,json=leaseGrant" json:"lease_grant,omitempty"`
+	LeaseRevoke            *LeaseRevokeRequest            `protobuf:"bytes,9,opt,name=lease_revoke,json=leaseRevoke" json:"lease_revoke,omitempty"`
+	AuthEnable             *AuthEnableRequest             `protobuf:"bytes,10,opt,name=auth_enable,json=authEnable" json:"auth_enable,omitempty"`
+	AuthUserAdd            *AuthUserAddRequest            `protobuf:"bytes,11,opt,name=auth_user_add,json=authUserAdd" json:"auth_user_add,omitempty"`
+	AuthUserDelete         *AuthUserDeleteRequest         `protobuf:"bytes,12,opt,name=auth_user_delete,json=authUserDelete" json:"auth_user_delete,omitempty"`
+	AuthUserChangePassword *AuthUserChangePasswordRequest `protobuf:"bytes,13,opt,name=auth_user_change_password,json=authUserChangePassword" json:"auth_user_change_password,omitempty"`
+	AuthUserGrant          *AuthUserGrantRequest          `protobuf:"bytes,14,opt,name=auth_user_grant,json=authUserGrant" json:"auth_user_grant,omitempty"`
+	AuthRoleAdd            *AuthRoleAddRequest            `protobuf:"bytes,15,opt,name=auth_role_add,json=authRoleAdd" json:"auth_role_add,omitempty"`
+	AuthRoleGrant          *AuthRoleGrantRequest          `protobuf:"bytes,16,opt,name=auth_role_grant,json=authRoleGrant" json:"auth_role_grant,omitempty"`
 	Authenticate           *AuthenticateRequest           `protobuf:"bytes,17,opt,name=authenticate" json:"authenticate,omitempty"`
 	Alarm                  *AlarmRequest                  `protobuf:"bytes,18,opt,name=alarm" json:"alarm,omitempty"`
 }
@@ -1185,35 +1185,39 @@ var (
 )
 
 var fileDescriptorRaftInternal = []byte{
-	// 473 bytes of a gzipped FileDescriptorProto
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-	0xff, 0x8e, 0xdf, 0x9b, 0x7d, 0x31, 0x04, 0x00, 0x00,
+	// 534 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x74, 0x94, 0xdf, 0x6e, 0xd3, 0x30,
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+	0xca, 0x3d, 0x83, 0x7e, 0xe5, 0x29, 0x94, 0x43, 0x99, 0x04, 0xf9, 0xe3, 0xf0, 0xdf, 0x01, 0x39,
+	0x3a, 0x2b, 0x98, 0x9e, 0x1e, 0xe0, 0xc1, 0xf7, 0x0c, 0x52, 0x45, 0xbb, 0xa4, 0x79, 0x36, 0x65,
+	0x8d, 0x93, 0xc6, 0xf3, 0x5d, 0xaf, 0xb9, 0x9c, 0xd2, 0x67, 0xa4, 0xb9, 0x3e, 0x65, 0x4d, 0xfd,
+	0xde, 0x3a, 0x7d, 0x30, 0xda, 0x9c, 0x3a, 0x2a, 0x5a, 0x3c, 0x6d, 0xa0, 0xaf, 0xc9, 0x9e, 0xe4,
+	0xf1, 0x02, 0xd8, 0x0e, 0x3a, 0x07, 0x37, 0x9c, 0xa6, 0x54, 0xda, 0x73, 0x23, 0x7d, 0x41, 0x76,
+	0x92, 0x4c, 0xb1, 0x5d, 0xf4, 0xb3, 0xba, 0xff, 0x3c, 0x2b, 0xf3, 0x78, 0xc6, 0x44, 0x27, 0xa4,
+	0x1d, 0x42, 0x04, 0x0a, 0xfc, 0x7c, 0xc8, 0x1e, 0x36, 0x9d, 0xd4, 0x9b, 0xa6, 0xe8, 0xa8, 0x8d,
+	0x6a, 0x85, 0x95, 0x66, 0x06, 0xaa, 0xab, 0x98, 0xed, 0xbb, 0x06, 0x7e, 0xb9, 0x8a, 0xed, 0x40,
+	0x6d, 0xa2, 0x6f, 0x09, 0x09, 0xc4, 0x2a, 0xe1, 0x81, 0x5a, 0x8a, 0x98, 0xdd, 0xc5, 0x96, 0xc7,
+	0xf5, 0x96, 0x89, 0xad, 0x97, 0x9d, 0x1b, 0x2d, 0xf4, 0x1d, 0x69, 0x45, 0xc0, 0x53, 0xf0, 0x17,
+	0x3a, 0xb1, 0x62, 0x07, 0x2e, 0xc2, 0x27, 0x63, 0xf8, 0x60, 0xea, 0x96, 0x10, 0x59, 0xc9, 0x7c,
+	0x73, 0x4e, 0x90, 0xb0, 0x16, 0xdf, 0x80, 0x1d, 0xba, 0xbe, 0x19, 0x11, 0x1e, 0x1a, 0xec, 0x37,
+	0x47, 0x95, 0x66, 0x62, 0xf0, 0x4c, 0x5d, 0xfa, 0x10, 0xf3, 0x79, 0x04, 0x8c, 0xb8, 0x62, 0x8c,
+	0xb5, 0x61, 0x86, 0x75, 0x1b, 0x83, 0x5b, 0x89, 0x4e, 0x49, 0x07, 0x09, 0x99, 0xf6, 0xfb, 0x3c,
+	0x0c, 0x59, 0xcb, 0x95, 0xc3, 0x30, 0xbe, 0xea, 0xb7, 0x71, 0x18, 0xda, 0x1c, 0xbc, 0xd2, 0xe8,
+	0x67, 0xd2, 0xaf, 0x28, 0xf9, 0x52, 0x58, 0x1b, 0x41, 0x4f, 0xdd, 0xa0, 0x62, 0x99, 0x05, 0xab,
+	0xcb, 0x6b, 0x32, 0xbd, 0x20, 0x8f, 0x2a, 0x5c, 0x70, 0x69, 0xd6, 0xeb, 0x27, 0x3c, 0x4d, 0x7f,
+	0x08, 0x19, 0xb2, 0x0e, 0x72, 0x5f, 0xba, 0xb9, 0x13, 0x34, 0x9f, 0x17, 0xde, 0x92, 0xff, 0x90,
+	0x3b, 0xcb, 0xf4, 0x23, 0xe9, 0x55, 0x73, 0xf2, 0x4d, 0x76, 0x91, 0x3e, 0x74, 0xd3, 0x6b, 0xcb,
+	0xec, 0xf0, 0x4d, 0xd5, 0x1e, 0xa4, 0x14, 0x11, 0xe0, 0x41, 0xf6, 0xb6, 0x1d, 0xa4, 0xa7, 0x1d,
+	0x37, 0x0f, 0xb2, 0xd0, 0x6c, 0x22, 0xa4, 0xe4, 0x89, 0xfa, 0xdb, 0x12, 0x99, 0x9e, 0xdb, 0x89,
+	0xac, 0x4a, 0x67, 0xa4, 0x6d, 0x04, 0x88, 0xd5, 0x32, 0xe0, 0x7a, 0x21, 0xf7, 0x10, 0xf4, 0xe4,
+	0x36, 0xa8, 0x74, 0x94, 0x9c, 0x5a, 0x9b, 0xb9, 0xfa, 0x3c, 0xe2, 0x72, 0xc5, 0xa8, 0xeb, 0xea,
+	0x8f, 0x4d, 0xc9, 0x5e, 0x7d, 0x34, 0x0e, 0x7b, 0xa4, 0x33, 0x5b, 0x25, 0xea, 0xa7, 0x07, 0x69,
+	0x22, 0xe2, 0x14, 0xde, 0xf7, 0xaf, 0xff, 0x1c, 0xdf, 0xb9, 0xfe, 0x7b, 0xdc, 0xf8, 0xa5, 0x7f,
+	0xbf, 0xf5, 0x6f, 0xbe, 0x8f, 0xff, 0x52, 0x6f, 0xfe, 0x07, 0x00, 0x00, 0xff, 0xff, 0xee, 0xd7,
+	0xc5, 0x26, 0xfd, 0x04, 0x00, 0x00,
 }
diff --git a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/rpc.pb.go b/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/rpc.pb.go
index 31cfb679..cdc13891 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/rpc.pb.go
+++ b/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/rpc.pb.go
@@ -182,13 +182,13 @@ func (AlarmRequest_AlarmAction) EnumDescriptor() ([]byte, []int) {
 
 type ResponseHeader struct {
 	// cluster_id is the ID of the cluster which sent the response.
-	ClusterId uint64 `protobuf:"varint,1,opt,name=cluster_id,proto3" json:"cluster_id,omitempty"`
+	ClusterId uint64 `protobuf:"varint,1,opt,name=cluster_id,json=clusterId,proto3" json:"cluster_id,omitempty"`
 	// member_id is the ID of the member which sent the response.
-	MemberId uint64 `protobuf:"varint,2,opt,name=member_id,proto3" json:"member_id,omitempty"`
+	MemberId uint64 `protobuf:"varint,2,opt,name=member_id,json=memberId,proto3" json:"member_id,omitempty"`
 	// revision is the key-value store revision when the request was applied.
 	Revision int64 `protobuf:"varint,3,opt,name=revision,proto3" json:"revision,omitempty"`
 	// raft_term is the raft term when the request was applied.
-	RaftTerm uint64 `protobuf:"varint,4,opt,name=raft_term,proto3" json:"raft_term,omitempty"`
+	RaftTerm uint64 `protobuf:"varint,4,opt,name=raft_term,json=raftTerm,proto3" json:"raft_term,omitempty"`
 }
 
 func (m *ResponseHeader) Reset()                    { *m = ResponseHeader{} }
@@ -201,7 +201,7 @@ type RangeRequest struct {
 	Key []byte `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
 	// range_end is the upper bound on the requested range [key, range_end).
 	// If range_end is '\0', the range is all keys >= key.
-	RangeEnd []byte `protobuf:"bytes,2,opt,name=range_end,proto3" json:"range_end,omitempty"`
+	RangeEnd []byte `protobuf:"bytes,2,opt,name=range_end,json=rangeEnd,proto3" json:"range_end,omitempty"`
 	// limit is a limit on the number of keys returned for the request.
 	Limit int64 `protobuf:"varint,3,opt,name=limit,proto3" json:"limit,omitempty"`
 	// revision is the point-in-time of the key-value store to use for the range.
@@ -209,9 +209,9 @@ type RangeRequest struct {
 	// If the revision has been compacted, ErrCompaction is returned as a response.
 	Revision int64 `protobuf:"varint,4,opt,name=revision,proto3" json:"revision,omitempty"`
 	// sort_order is the order for returned sorted results.
-	SortOrder RangeRequest_SortOrder `protobuf:"varint,5,opt,name=sort_order,proto3,enum=etcdserverpb.RangeRequest_SortOrder" json:"sort_order,omitempty"`
+	SortOrder RangeRequest_SortOrder `protobuf:"varint,5,opt,name=sort_order,json=sortOrder,proto3,enum=etcdserverpb.RangeRequest_SortOrder" json:"sort_order,omitempty"`
 	// sort_target is the key-value field to use for sorting.
-	SortTarget RangeRequest_SortTarget `protobuf:"varint,6,opt,name=sort_target,proto3,enum=etcdserverpb.RangeRequest_SortTarget" json:"sort_target,omitempty"`
+	SortTarget RangeRequest_SortTarget `protobuf:"varint,6,opt,name=sort_target,json=sortTarget,proto3,enum=etcdserverpb.RangeRequest_SortTarget" json:"sort_target,omitempty"`
 	// serializable sets the range request to use serializable member-local reads.
 	// Range requests are linearizable by default; linearizable requests have higher
 	// latency and lower throughput than serializable requests but reflect the current
@@ -290,7 +290,7 @@ type DeleteRangeRequest struct {
 	// range_end is the key following the last key to delete for the range [key, range_end).
 	// If range_end is not given, the range is defined to contain only the key argument.
 	// If range_end is '\0', the range is all keys greater than or equal to the key argument.
-	RangeEnd []byte `protobuf:"bytes,2,opt,name=range_end,proto3" json:"range_end,omitempty"`
+	RangeEnd []byte `protobuf:"bytes,2,opt,name=range_end,json=rangeEnd,proto3" json:"range_end,omitempty"`
 }
 
 func (m *DeleteRangeRequest) Reset()                    { *m = DeleteRangeRequest{} }
@@ -338,13 +338,13 @@ type isRequestUnion_Request interface {
 }
 
 type RequestUnion_RequestRange struct {
-	RequestRange *RangeRequest `protobuf:"bytes,1,opt,name=request_range,oneof"`
+	RequestRange *RangeRequest `protobuf:"bytes,1,opt,name=request_range,json=requestRange,oneof"`
 }
 type RequestUnion_RequestPut struct {
-	RequestPut *PutRequest `protobuf:"bytes,2,opt,name=request_put,oneof"`
+	RequestPut *PutRequest `protobuf:"bytes,2,opt,name=request_put,json=requestPut,oneof"`
 }
 type RequestUnion_RequestDeleteRange struct {
-	RequestDeleteRange *DeleteRangeRequest `protobuf:"bytes,3,opt,name=request_delete_range,oneof"`
+	RequestDeleteRange *DeleteRangeRequest `protobuf:"bytes,3,opt,name=request_delete_range,json=requestDeleteRange,oneof"`
 }
 
 func (*RequestUnion_RequestRange) isRequestUnion_Request()       {}
@@ -494,13 +494,13 @@ type isResponseUnion_Response interface {
 }
 
 type ResponseUnion_ResponseRange struct {
-	ResponseRange *RangeResponse `protobuf:"bytes,1,opt,name=response_range,oneof"`
+	ResponseRange *RangeResponse `protobuf:"bytes,1,opt,name=response_range,json=responseRange,oneof"`
 }
 type ResponseUnion_ResponsePut struct {
-	ResponsePut *PutResponse `protobuf:"bytes,2,opt,name=response_put,oneof"`
+	ResponsePut *PutResponse `protobuf:"bytes,2,opt,name=response_put,json=responsePut,oneof"`
 }
 type ResponseUnion_ResponseDeleteRange struct {
-	ResponseDeleteRange *DeleteRangeResponse `protobuf:"bytes,3,opt,name=response_delete_range,oneof"`
+	ResponseDeleteRange *DeleteRangeResponse `protobuf:"bytes,3,opt,name=response_delete_range,json=responseDeleteRange,oneof"`
 }
 
 func (*ResponseUnion_ResponseRange) isResponseUnion_Response()       {}
@@ -658,10 +658,10 @@ type Compare_Version struct {
 	Version int64 `protobuf:"varint,4,opt,name=version,proto3,oneof"`
 }
 type Compare_CreateRevision struct {
-	CreateRevision int64 `protobuf:"varint,5,opt,name=create_revision,proto3,oneof"`
+	CreateRevision int64 `protobuf:"varint,5,opt,name=create_revision,json=createRevision,proto3,oneof"`
 }
 type Compare_ModRevision struct {
-	ModRevision int64 `protobuf:"varint,6,opt,name=mod_revision,proto3,oneof"`
+	ModRevision int64 `protobuf:"varint,6,opt,name=mod_revision,json=modRevision,proto3,oneof"`
 }
 type Compare_Value struct {
 	Value []byte `protobuf:"bytes,7,opt,name=value,proto3,oneof"`
@@ -882,10 +882,10 @@ func (m *TxnResponse) GetResponses() []*ResponseUnion {
 	return nil
 }
 
-// CompactionRequest compacts the key-value store upto a given revision. All superseded keys
+// CompactionRequest compacts the key-value store up to a given revision. All superseded keys
 // with a revision less than the compaction revision will be removed.
 type CompactionRequest struct {
-	// revision is the key-value store revision for the compation operation.
+	// revision is the key-value store revision for the compaction operation.
 	Revision int64 `protobuf:"varint,1,opt,name=revision,proto3" json:"revision,omitempty"`
 	// physical is set so the RPC will wait until the compaction is physically
 	// applied to the local database such that compacted entries are totally
@@ -953,7 +953,7 @@ type SnapshotResponse struct {
 	// stream indicates the point in time of the snapshot.
 	Header *ResponseHeader `protobuf:"bytes,1,opt,name=header" json:"header,omitempty"`
 	// remaining_bytes is the number of blob bytes to be sent after this message
-	RemainingBytes uint64 `protobuf:"varint,2,opt,name=remaining_bytes,proto3" json:"remaining_bytes,omitempty"`
+	RemainingBytes uint64 `protobuf:"varint,2,opt,name=remaining_bytes,json=remainingBytes,proto3" json:"remaining_bytes,omitempty"`
 	// blob contains the next chunk of the snapshot in the snapshot stream.
 	Blob []byte `protobuf:"bytes,3,opt,name=blob,proto3" json:"blob,omitempty"`
 }
@@ -991,10 +991,10 @@ type isWatchRequest_RequestUnion interface {
 }
 
 type WatchRequest_CreateRequest struct {
-	CreateRequest *WatchCreateRequest `protobuf:"bytes,1,opt,name=create_request,oneof"`
+	CreateRequest *WatchCreateRequest `protobuf:"bytes,1,opt,name=create_request,json=createRequest,oneof"`
 }
 type WatchRequest_CancelRequest struct {
-	CancelRequest *WatchCancelRequest `protobuf:"bytes,2,opt,name=cancel_request,oneof"`
+	CancelRequest *WatchCancelRequest `protobuf:"bytes,2,opt,name=cancel_request,json=cancelRequest,oneof"`
 }
 
 func (*WatchRequest_CreateRequest) isWatchRequest_RequestUnion() {}
@@ -1101,14 +1101,14 @@ type WatchCreateRequest struct {
 	// range_end is the end of the range [key, range_end) to watch. If range_end is not given,
 	// only the key argument is watched. If range_end is equal to '\0', all keys greater than
 	// or equal to the key argument are watched.
-	RangeEnd []byte `protobuf:"bytes,2,opt,name=range_end,proto3" json:"range_end,omitempty"`
+	RangeEnd []byte `protobuf:"bytes,2,opt,name=range_end,json=rangeEnd,proto3" json:"range_end,omitempty"`
 	// start_revision is an optional revision to watch from (inclusive). No start_revision is "now".
-	StartRevision int64 `protobuf:"varint,3,opt,name=start_revision,proto3" json:"start_revision,omitempty"`
+	StartRevision int64 `protobuf:"varint,3,opt,name=start_revision,json=startRevision,proto3" json:"start_revision,omitempty"`
 	// progress_notify is set so that the etcd server will periodically send a WatchResponse with
 	// no events to the new watcher if there are no recent events. It is useful when clients
 	// wish to recover a disconnected watcher starting from a recent known revision.
 	// The etcd server may decide how often it will send notifications based on current load.
-	ProgressNotify bool `protobuf:"varint,4,opt,name=progress_notify,proto3" json:"progress_notify,omitempty"`
+	ProgressNotify bool `protobuf:"varint,4,opt,name=progress_notify,json=progressNotify,proto3" json:"progress_notify,omitempty"`
 }
 
 func (m *WatchCreateRequest) Reset()                    { *m = WatchCreateRequest{} }
@@ -1118,7 +1118,7 @@ func (*WatchCreateRequest) Descriptor() ([]byte, []int) { return fileDescriptorR
 
 type WatchCancelRequest struct {
 	// watch_id is the watcher id to cancel so that no more events are transmitted.
-	WatchId int64 `protobuf:"varint,1,opt,name=watch_id,proto3" json:"watch_id,omitempty"`
+	WatchId int64 `protobuf:"varint,1,opt,name=watch_id,json=watchId,proto3" json:"watch_id,omitempty"`
 }
 
 func (m *WatchCancelRequest) Reset()                    { *m = WatchCancelRequest{} }
@@ -1129,7 +1129,7 @@ func (*WatchCancelRequest) Descriptor() ([]byte, []int) { return fileDescriptorR
 type WatchResponse struct {
 	Header *ResponseHeader `protobuf:"bytes,1,opt,name=header" json:"header,omitempty"`
 	// watch_id is the ID of the watcher that corresponds to the response.
-	WatchId int64 `protobuf:"varint,2,opt,name=watch_id,proto3" json:"watch_id,omitempty"`
+	WatchId int64 `protobuf:"varint,2,opt,name=watch_id,json=watchId,proto3" json:"watch_id,omitempty"`
 	// created is set to true if the response is for a create watch request.
 	// The client should record the watch_id and expect to receive events for
 	// the created watcher from the same stream.
@@ -1146,7 +1146,7 @@ type WatchResponse struct {
 	//
 	// The client should treat the watcher as canceled and should not try to create any
 	// watcher with the same start_revision again.
-	CompactRevision int64           `protobuf:"varint,5,opt,name=compact_revision,proto3" json:"compact_revision,omitempty"`
+	CompactRevision int64           `protobuf:"varint,5,opt,name=compact_revision,json=compactRevision,proto3" json:"compact_revision,omitempty"`
 	Events          []*mvccpb.Event `protobuf:"bytes,11,rep,name=events" json:"events,omitempty"`
 }
 
@@ -1171,9 +1171,9 @@ func (m *WatchResponse) GetEvents() []*mvccpb.Event {
 
 type LeaseGrantRequest struct {
 	// TTL is the advisory time-to-live in seconds.
-	TTL int64 `protobuf:"varint,1,opt,name=TTL,proto3" json:"TTL,omitempty"`
+	TTL int64 `protobuf:"varint,1,opt,name=TTL,json=tTL,proto3" json:"TTL,omitempty"`
 	// ID is the requested ID for the lease. If ID is set to 0, the lessor chooses an ID.
-	ID int64 `protobuf:"varint,2,opt,name=ID,proto3" json:"ID,omitempty"`
+	ID int64 `protobuf:"varint,2,opt,name=ID,json=iD,proto3" json:"ID,omitempty"`
 }
 
 func (m *LeaseGrantRequest) Reset()                    { *m = LeaseGrantRequest{} }
@@ -1184,9 +1184,9 @@ func (*LeaseGrantRequest) Descriptor() ([]byte, []int) { return fileDescriptorRp
 type LeaseGrantResponse struct {
 	Header *ResponseHeader `protobuf:"bytes,1,opt,name=header" json:"header,omitempty"`
 	// ID is the lease ID for the granted lease.
-	ID int64 `protobuf:"varint,2,opt,name=ID,proto3" json:"ID,omitempty"`
+	ID int64 `protobuf:"varint,2,opt,name=ID,json=iD,proto3" json:"ID,omitempty"`
 	// TTL is the server chosen lease time-to-live in seconds.
-	TTL   int64  `protobuf:"varint,3,opt,name=TTL,proto3" json:"TTL,omitempty"`
+	TTL   int64  `protobuf:"varint,3,opt,name=TTL,json=tTL,proto3" json:"TTL,omitempty"`
 	Error string `protobuf:"bytes,4,opt,name=error,proto3" json:"error,omitempty"`
 }
 
@@ -1204,7 +1204,7 @@ func (m *LeaseGrantResponse) GetHeader() *ResponseHeader {
 
 type LeaseRevokeRequest struct {
 	// ID is the lease ID to revoke. When the ID is revoked, all associated keys will be deleted.
-	ID int64 `protobuf:"varint,1,opt,name=ID,proto3" json:"ID,omitempty"`
+	ID int64 `protobuf:"varint,1,opt,name=ID,json=iD,proto3" json:"ID,omitempty"`
 }
 
 func (m *LeaseRevokeRequest) Reset()                    { *m = LeaseRevokeRequest{} }
@@ -1230,7 +1230,7 @@ func (m *LeaseRevokeResponse) GetHeader() *ResponseHeader {
 
 type LeaseKeepAliveRequest struct {
 	// ID is the lease ID for the lease to keep alive.
-	ID int64 `protobuf:"varint,1,opt,name=ID,proto3" json:"ID,omitempty"`
+	ID int64 `protobuf:"varint,1,opt,name=ID,json=iD,proto3" json:"ID,omitempty"`
 }
 
 func (m *LeaseKeepAliveRequest) Reset()                    { *m = LeaseKeepAliveRequest{} }
@@ -1241,9 +1241,9 @@ func (*LeaseKeepAliveRequest) Descriptor() ([]byte, []int) { return fileDescript
 type LeaseKeepAliveResponse struct {
 	Header *ResponseHeader `protobuf:"bytes,1,opt,name=header" json:"header,omitempty"`
 	// ID is the lease ID from the keep alive request.
-	ID int64 `protobuf:"varint,2,opt,name=ID,proto3" json:"ID,omitempty"`
+	ID int64 `protobuf:"varint,2,opt,name=ID,json=iD,proto3" json:"ID,omitempty"`
 	// TTL is the new time-to-live for the lease.
-	TTL int64 `protobuf:"varint,3,opt,name=TTL,proto3" json:"TTL,omitempty"`
+	TTL int64 `protobuf:"varint,3,opt,name=TTL,json=tTL,proto3" json:"TTL,omitempty"`
 }
 
 func (m *LeaseKeepAliveResponse) Reset()                    { *m = LeaseKeepAliveResponse{} }
@@ -1260,7 +1260,7 @@ func (m *LeaseKeepAliveResponse) GetHeader() *ResponseHeader {
 
 type Member struct {
 	// ID is the member ID for this member.
-	ID uint64 `protobuf:"varint,1,opt,name=ID,proto3" json:"ID,omitempty"`
+	ID uint64 `protobuf:"varint,1,opt,name=ID,json=iD,proto3" json:"ID,omitempty"`
 	// name is the human-readable name of the member. If the member is not started, the name will be an empty string.
 	Name string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
 	// peerURLs is the list of URLs the member exposes to the cluster for communication.
@@ -1311,7 +1311,7 @@ func (m *MemberAddResponse) GetMember() *Member {
 
 type MemberRemoveRequest struct {
 	// ID is the member ID of the member to remove.
-	ID uint64 `protobuf:"varint,1,opt,name=ID,proto3" json:"ID,omitempty"`
+	ID uint64 `protobuf:"varint,1,opt,name=ID,json=iD,proto3" json:"ID,omitempty"`
 }
 
 func (m *MemberRemoveRequest) Reset()                    { *m = MemberRemoveRequest{} }
@@ -1337,7 +1337,7 @@ func (m *MemberRemoveResponse) GetHeader() *ResponseHeader {
 
 type MemberUpdateRequest struct {
 	// ID is the member ID of the member to update.
-	ID uint64 `protobuf:"varint,1,opt,name=ID,proto3" json:"ID,omitempty"`
+	ID uint64 `protobuf:"varint,1,opt,name=ID,json=iD,proto3" json:"ID,omitempty"`
 	// peerURLs is the new list of URLs the member will use to communicate with the cluster.
 	PeerURLs []string `protobuf:"bytes,2,rep,name=peerURLs" json:"peerURLs,omitempty"`
 }
@@ -13966,152 +13966,166 @@ var (
 )
 
 var fileDescriptorRpc = []byte{
-	// 2339 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xac, 0x3a, 0x4b, 0x53, 0x1b, 0xd9,
-	0xd5, 0xe8, 0x81, 0x84, 0x8e, 0x84, 0x90, 0x2f, 0xd8, 0xc6, 0xf2, 0xd8, 0x83, 0x1b, 0xec, 0x9a,
-	0xef, 0x1b, 0x17, 0xce, 0xc8, 0x99, 0x4c, 0x2a, 0x99, 0xaa, 0x89, 0x00, 0x19, 0x1c, 0x63, 0x60,
-	0x24, 0xc1, 0xd4, 0x54, 0xa5, 0x4a, 0xd5, 0x48, 0xd7, 0xd0, 0x63, 0xbd, 0xa6, 0xbb, 0xc5, 0x98,
-	0x59, 0xe4, 0x27, 0x64, 0x93, 0x54, 0xe5, 0x47, 0x64, 0x9f, 0x7d, 0x76, 0xc9, 0x2a, 0x59, 0x66,
-	0x95, 0xa4, 0xb2, 0xcc, 0x5f, 0xc8, 0x26, 0xe7, 0xbe, 0xba, 0x6f, 0xb7, 0xae, 0xc0, 0x69, 0xb2,
-	0x30, 0xd0, 0xe7, 0x9e, 0xf7, 0xeb, 0x9e, 0x73, 0x67, 0xa0, 0xe0, 0x8e, 0xbb, 0x9b, 0x63, 0x77,
-	0xe4, 0x8f, 0x48, 0x89, 0xfa, 0xdd, 0x9e, 0x47, 0xdd, 0x0b, 0xea, 0x8e, 0x4f, 0xab, 0x2b, 0x67,
-	0xa3, 0xb3, 0x11, 0x3f, 0x78, 0xc6, 0xfe, 0x12, 0x38, 0xd5, 0x7b, 0x0c, 0xe7, 0xd9, 0xe0, 0xa2,
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+	0xc8, 0x67, 0x0d, 0x0a, 0x76, 0x50, 0x4b, 0x62, 0xa5, 0x66, 0xaf, 0x67, 0xdc, 0x1c, 0x1a, 0x2f,
+	0x17, 0xc7, 0x73, 0x5e, 0xc2, 0x55, 0x83, 0x3f, 0x93, 0x1b, 0x3e, 0x81, 0x92, 0x68, 0x92, 0x65,
+	0xd2, 0x5a, 0x89, 0x4b, 0x89, 0x65, 0x5c, 0xc9, 0xe3, 0xdc, 0x83, 0x65, 0x49, 0xa1, 0xc3, 0x71,
+	0xd2, 0x5e, 0x71, 0xff, 0x38, 0x3b, 0xb0, 0x12, 0x67, 0xcb, 0x14, 0x22, 0x4d, 0xb5, 0xe8, 0xc1,
+	0xa4, 0x67, 0xe4, 0x40, 0x7b, 0x53, 0x4c, 0x87, 0xe5, 0x2d, 0x87, 0x69, 0x85, 0x14, 0x44, 0x26,
+	0x85, 0x96, 0x95, 0xfb, 0x77, 0xfa, 0x81, 0xbe, 0xe9, 0x5e, 0x03, 0x31, 0x89, 0x99, 0x36, 0x65,
+	0x0d, 0xca, 0xc2, 0xe1, 0xaa, 0xaa, 0x4a, 0xde, 0x15, 0xc5, 0xc4, 0x14, 0x6a, 0xd1, 0xe7, 0xbe,
+	0x77, 0x32, 0xa4, 0x3a, 0xe7, 0xb0, 0x12, 0xc2, 0x24, 0x66, 0xb2, 0xf8, 0x4f, 0x78, 0x7d, 0x36,
+	0x07, 0x9e, 0x3f, 0x54, 0xce, 0x7f, 0x08, 0x25, 0x51, 0x9b, 0xc8, 0x42, 0xfe, 0xc3, 0x38, 0x8c,
+	0xc9, 0x2b, 0x06, 0x4d, 0x51, 0xc9, 0x48, 0x29, 0xb6, 0x59, 0xf2, 0x6d, 0xa6, 0x65, 0xbd, 0xd5,
+	0xb4, 0xc8, 0x0f, 0x60, 0xde, 0x63, 0x22, 0xfc, 0x2c, 0xd6, 0xd7, 0xdf, 0x49, 0x80, 0xee, 0x9c,
+	0x4f, 0xa8, 0x2b, 0xb8, 0x9c, 0xcf, 0xa0, 0x6a, 0xac, 0xc0, 0xaa, 0xde, 0x47, 0xed, 0x0e, 0x96,
+	0xc2, 0x35, 0x58, 0x68, 0x6e, 0x76, 0xb6, 0x0e, 0x45, 0x31, 0x5c, 0x07, 0x68, 0xb5, 0xf5, 0x38,
+	0x8f, 0x55, 0x90, 0x90, 0x92, 0x27, 0xdc, 0xd4, 0x27, 0x97, 0xa6, 0x4f, 0xfe, 0xad, 0xf4, 0x79,
+	0x05, 0x8b, 0xd2, 0xfc, 0x4c, 0x31, 0xf0, 0x29, 0x7a, 0x98, 0xc1, 0xa8, 0x10, 0xb8, 0x91, 0xb0,
+	0xac, 0x3a, 0x9d, 0x82, 0xd1, 0xc1, 0xea, 0x61, 0x3f, 0xf4, 0xc2, 0x69, 0xa0, 0x42, 0xe0, 0x8f,
+	0x39, 0xa8, 0x2b, 0x4a, 0xd6, 0x66, 0x5e, 0xf5, 0x4a, 0x22, 0xe7, 0xe9, 0x4e, 0xe9, 0x3a, 0x94,
+	0x7a, 0xc7, 0xfb, 0xfd, 0xd7, 0xea, 0x51, 0x43, 0x8e, 0x18, 0x7d, 0x20, 0xd6, 0x11, 0x2f, 0x6a,
+	0x72, 0xc4, 0xca, 0x6f, 0xf6, 0xb6, 0xb6, 0x35, 0xea, 0xd1, 0x57, 0xfc, 0xa6, 0x2d, 0xba, 0x11,
+	0x81, 0x97, 0xcb, 0xf2, 0xe5, 0x8d, 0x37, 0x52, 0xe6, 0x4b, 0x1c, 0x06, 0x79, 0x73, 0x1a, 0x9e,
+	0xb6, 0x47, 0xec, 0xd1, 0x49, 0x59, 0xb8, 0x02, 0x84, 0x11, 0x5b, 0xfd, 0xc0, 0xa4, 0xb6, 0x61,
+	0x99, 0x51, 0x31, 0xee, 0xb1, 0x98, 0x8e, 0x32, 0x86, 0x4a, 0xdb, 0x39, 0x2b, 0x6d, 0x7b, 0x41,
+	0xf0, 0x72, 0xec, 0xf7, 0xa4, 0x69, 0x7a, 0xec, 0xb4, 0x04, 0xf8, 0x41, 0x10, 0x4b, 0xcc, 0xdf,
+	0x15, 0x65, 0x25, 0x42, 0x79, 0x44, 0xf5, 0xe9, 0xfc, 0x18, 0xae, 0x29, 0xaa, 0x6c, 0x9c, 0xd3,
+	0xe1, 0x9d, 0x3d, 0x78, 0x4f, 0x31, 0x6f, 0x9e, 0xb2, 0xa2, 0xee, 0xa9, 0x04, 0xff, 0x5f, 0x75,
+	0x7a, 0x08, 0x2b, 0x5a, 0x27, 0xb3, 0x4e, 0x41, 0x9c, 0x69, 0x20, 0x63, 0x03, 0x71, 0xd8, 0x37,
+	0xa3, 0xf9, 0xe3, 0x81, 0xbe, 0xec, 0xd8, 0xb7, 0xf3, 0x4e, 0xa4, 0x7d, 0xac, 0x56, 0x70, 0xee,
+	0x0b, 0x63, 0x5d, 0x64, 0xba, 0xd8, 0x65, 0xca, 0x2d, 0x8c, 0xd3, 0x70, 0x8b, 0x04, 0x66, 0xd4,
+	0x98, 0x5b, 0x1c, 0x57, 0x68, 0xcc, 0xd9, 0x2d, 0x8d, 0x67, 0x2c, 0xff, 0x10, 0x8a, 0x13, 0x2a,
+	0xcf, 0x6b, 0x75, 0x9d, 0xac, 0x89, 0xd7, 0xe5, 0xb5, 0xa7, 0x48, 0xeb, 0x07, 0x2c, 0x6a, 0x5d,
+	0x3e, 0x6f, 0x2e, 0x16, 0xb7, 0xe2, 0x4b, 0xa1, 0x9b, 0x0a, 0xb5, 0x4c, 0xa9, 0x73, 0x5b, 0xc4,
+	0xa2, 0x8e, 0xd0, 0x4c, 0x60, 0xc7, 0xc2, 0x0b, 0x51, 0x60, 0x67, 0x3a, 0xd5, 0x58, 0x04, 0x86,
+	0x68, 0xb5, 0x3a, 0xd3, 0x62, 0xa0, 0x14, 0xd6, 0x51, 0x7f, 0x19, 0xd6, 0xeb, 0xe0, 0xcf, 0x04,
+	0xb6, 0x0b, 0xd7, 0xed, 0x33, 0x93, 0x09, 0xef, 0x10, 0x6e, 0xa5, 0x1d, 0xab, 0x4c, 0xb8, 0x4f,
+	0xa2, 0xd3, 0x71, 0x09, 0xd5, 0xbc, 0x69, 0xf6, 0xa5, 0x94, 0xdc, 0x72, 0x4f, 0xf4, 0x19, 0xbd,
+	0x2c, 0xb0, 0x4b, 0xdb, 0x60, 0xf3, 0xf4, 0x5f, 0xc6, 0x46, 0x18, 0x49, 0xe3, 0xb2, 0xd4, 0xbb,
+	0x8c, 0x8d, 0xf8, 0xbe, 0x03, 0x15, 0x5d, 0x3d, 0x18, 0x7f, 0x38, 0xa9, 0x42, 0x79, 0x77, 0x6f,
+	0xff, 0x69, 0x73, 0x13, 0xeb, 0x96, 0xf5, 0x7f, 0xe6, 0x21, 0xbf, 0x7d, 0x48, 0x36, 0x60, 0x5e,
+	0x3c, 0xf9, 0x5e, 0xf0, 0x28, 0xde, 0xb8, 0xe8, 0xf1, 0xd8, 0x99, 0x23, 0x9f, 0x43, 0x81, 0x3d,
+	0xfa, 0xa6, 0xbe, 0x8a, 0x37, 0xd2, 0x1f, 0x8e, 0x51, 0xba, 0x03, 0x55, 0xe3, 0x85, 0x97, 0xbc,
+	0xf1, 0x55, 0xbc, 0xf1, 0xe6, 0xd7, 0x63, 0xa1, 0x53, 0xe7, 0xd5, 0xc8, 0xd6, 0x29, 0x7a, 0x91,
+	0xb4, 0x75, 0x32, 0xde, 0xff, 0x50, 0x7a, 0x57, 0xbe, 0x2c, 0x77, 0x43, 0xf2, 0x7e, 0xc2, 0x43,
+	0xa5, 0xf9, 0x12, 0xd7, 0xb8, 0x9d, 0xce, 0xa0, 0xf0, 0xd6, 0xf7, 0x60, 0x9e, 0xbf, 0x52, 0x90,
+	0x2f, 0xd4, 0x47, 0x23, 0xe1, 0x0d, 0x27, 0xc5, 0xdd, 0xb1, 0xf7, 0x0d, 0x67, 0xee, 0x7e, 0xee,
+	0x87, 0xb9, 0xf5, 0x6f, 0xf3, 0x30, 0xcf, 0xbb, 0x56, 0xf2, 0x15, 0x40, 0xd4, 0xde, 0xdb, 0xda,
+	0xce, 0x3c, 0x18, 0xd8, 0xda, 0xce, 0xbe, 0x0c, 0x88, 0x1d, 0x31, 0xfa, 0x70, 0x92, 0x24, 0x12,
+	0xbb, 0xd6, 0xec, 0x1d, 0x49, 0x68, 0xe2, 0x11, 0xd5, 0x83, 0x7a, 0xbc, 0xcf, 0x26, 0x77, 0x12,
+	0xc4, 0xec, 0x76, 0xbd, 0x71, 0xf7, 0x62, 0xa6, 0x98, 0x57, 0xfe, 0x92, 0xc7, 0x7d, 0x13, 0x7f,
+	0xb7, 0xc5, 0x2d, 0xac, 0xe8, 0x56, 0x96, 0xdc, 0x4a, 0x6a, 0x73, 0xa2, 0x3a, 0xa2, 0xf1, 0x7e,
+	0xea, 0xbc, 0x56, 0xff, 0x19, 0xd4, 0xcc, 0xd6, 0x93, 0x7c, 0x90, 0xd8, 0x39, 0x99, 0xdd, 0x6b,
+	0xc3, 0xb9, 0x88, 0x65, 0x16, 0x58, 0xb4, 0x90, 0xc9, 0xc0, 0xb1, 0x0e, 0x35, 0x19, 0x38, 0xde,
+	0x81, 0x22, 0x30, 0x46, 0x46, 0xd4, 0x38, 0x92, 0x44, 0x13, 0x8d, 0x3e, 0xd3, 0x8e, 0x8c, 0xd9,
+	0x9e, 0x13, 0xe3, 0xf8, 0x3f, 0x79, 0xa8, 0x3e, 0xf1, 0xfa, 0xa3, 0x90, 0x8e, 0xd8, 0x43, 0x17,
+	0xcb, 0x1e, 0x3c, 0xd1, 0xd8, 0xe1, 0x6c, 0xb6, 0x69, 0x76, 0x38, 0xc7, 0x7a, 0x18, 0x54, 0xb3,
+	0x0d, 0x25, 0xd1, 0x4a, 0x10, 0x8b, 0x31, 0xd6, 0x72, 0x34, 0xde, 0x4d, 0x9e, 0x34, 0xad, 0x8d,
+	0xba, 0x52, 0xdb, 0xda, 0x99, 0x26, 0xb6, 0x71, 0x3b, 0x9d, 0x41, 0x43, 0xfe, 0x0c, 0x8a, 0xec,
+	0x41, 0x9b, 0x58, 0xa9, 0xc2, 0x78, 0xf3, 0x6e, 0x34, 0x92, 0xa6, 0x34, 0xc0, 0x13, 0x58, 0x50,
+	0x6f, 0xd4, 0xe4, 0x3d, 0x4b, 0xff, 0xf8, 0x7b, 0x76, 0xe3, 0x56, 0xda, 0xb4, 0x02, 0xc3, 0xf0,
+	0xfe, 0x6b, 0x05, 0x8a, 0xec, 0x9e, 0x60, 0xb6, 0x46, 0x65, 0xa4, 0x6d, 0xeb, 0x4c, 0x2f, 0x63,
+	0xdb, 0x3a, 0x5b, 0x81, 0x8a, 0x33, 0x6f, 0x54, 0x93, 0x24, 0x41, 0x24, 0xde, 0x0a, 0xd9, 0x67,
+	0x3e, 0xa1, 0x14, 0x15, 0xb1, 0x6d, 0x96, 0x95, 0x24, 0x41, 0xc8, 0xea, 0xa5, 0xec, 0xd8, 0x4e,
+	0xaa, 0x4a, 0x11, 0xf8, 0x29, 0x94, 0x65, 0x1d, 0x99, 0xa4, 0x6a, 0xbc, 0xb1, 0x4a, 0x52, 0xd5,
+	0x2a, 0x42, 0x23, 0x44, 0xac, 0x35, 0xd2, 0x10, 0xa3, 0x6e, 0x22, 0x0d, 0xd1, 0x28, 0x54, 0x10,
+	0xf1, 0x6b, 0x80, 0xa8, 0xa2, 0xb4, 0x93, 0x5d, 0x62, 0x8f, 0x66, 0x27, 0xbb, 0xe4, 0xa2, 0x14,
+	0xa1, 0xbf, 0x01, 0x32, 0x5b, 0x5c, 0x92, 0x8f, 0x93, 0xa5, 0x13, 0x3b, 0xbb, 0xc6, 0x27, 0x6f,
+	0xc7, 0xac, 0x97, 0x3c, 0x84, 0x8a, 0xae, 0x3b, 0x89, 0x93, 0x62, 0xbf, 0x79, 0xd3, 0xdc, 0xb9,
+	0x90, 0xc7, 0xf6, 0x92, 0xbc, 0x6b, 0x52, 0x84, 0xe2, 0xd7, 0xcd, 0xdd, 0x8b, 0x99, 0xcc, 0x2d,
+	0x95, 0xb5, 0x68, 0xd2, 0x96, 0xc6, 0x5b, 0xc9, 0xa4, 0x2d, 0xb5, 0x0a, 0xd9, 0x08, 0x31, 0x25,
+	0x48, 0xe2, 0x2d, 0x67, 0x1a, 0xe2, 0x4c, 0x90, 0x44, 0x55, 0x69, 0x92, 0xf9, 0x33, 0x1d, 0x6b,
+	0x92, 0xf9, 0xb3, 0x85, 0xad, 0xd8, 0x31, 0x5d, 0xa0, 0x26, 0xed, 0x98, 0xdd, 0xf2, 0x36, 0xee,
+	0x5c, 0xc8, 0x63, 0xab, 0x9c, 0xbe, 0x63, 0x33, 0x7d, 0x6f, 0x9a, 0xca, 0xf6, 0x8e, 0x6d, 0xd4,
+	0xfe, 0xf0, 0xf7, 0x5b, 0xb9, 0x3f, 0xe3, 0xbf, 0xbf, 0xe1, 0xbf, 0xe3, 0x12, 0xff, 0x1f, 0x5b,
+	0x3f, 0xfa, 0x6f, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xf4, 0xad, 0xd4, 0x1a, 0x26, 0x00, 0x00,
 }
diff --git a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/rpc.proto b/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/rpc.proto
index 232a636f..6b9ac15a 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/rpc.proto
+++ b/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/rpc.proto
@@ -311,10 +311,10 @@ message TxnResponse {
   repeated ResponseUnion responses = 3;
 }
 
-// CompactionRequest compacts the key-value store upto a given revision. All superseded keys
+// CompactionRequest compacts the key-value store up to a given revision. All superseded keys
 // with a revision less than the compaction revision will be removed.
 message CompactionRequest {
-  // revision is the key-value store revision for the compation operation. 
+  // revision is the key-value store revision for the compaction operation. 
   int64 revision = 1;
   // physical is set so the RPC will wait until the compaction is physically
   // applied to the local database such that compacted entries are totally
diff --git a/vendor/github.com/coreos/etcd/mvcc/mvccpb/kv.pb.go b/vendor/github.com/coreos/etcd/mvcc/mvccpb/kv.pb.go
index dd3b1d87..7374fd26 100644
--- a/vendor/github.com/coreos/etcd/mvcc/mvccpb/kv.pb.go
+++ b/vendor/github.com/coreos/etcd/mvcc/mvccpb/kv.pb.go
@@ -61,9 +61,9 @@ type KeyValue struct {
 	// key is the key in bytes. An empty key is not allowed.
 	Key []byte `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
 	// create_revision is the revision of last creation on this key.
-	CreateRevision int64 `protobuf:"varint,2,opt,name=create_revision,proto3" json:"create_revision,omitempty"`
+	CreateRevision int64 `protobuf:"varint,2,opt,name=create_revision,json=createRevision,proto3" json:"create_revision,omitempty"`
 	// mod_revision is the revision of last modification on this key.
-	ModRevision int64 `protobuf:"varint,3,opt,name=mod_revision,proto3" json:"mod_revision,omitempty"`
+	ModRevision int64 `protobuf:"varint,3,opt,name=mod_revision,json=modRevision,proto3" json:"mod_revision,omitempty"`
 	// version is the version of the key. A deletion resets
 	// the version to zero and any modification of the key
 	// increases its version.
@@ -662,21 +662,23 @@ var (
 )
 
 var fileDescriptorKv = []byte{
-	// 255 bytes of a gzipped FileDescriptorProto
+	// 285 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0xe2, 0xc8, 0x2e, 0xd3, 0x2b,
 	0x28, 0xca, 0x2f, 0xc9, 0x17, 0x62, 0xcb, 0x2d, 0x4b, 0x4e, 0x2e, 0x48, 0x92, 0x12, 0x49, 0xcf,
-	0x4f, 0xcf, 0x07, 0x0b, 0xe9, 0x83, 0x58, 0x10, 0x59, 0xa5, 0x52, 0x2e, 0x0e, 0xef, 0xd4, 0xca,
-	0xb0, 0xc4, 0x9c, 0xd2, 0x54, 0x21, 0x6e, 0x2e, 0xe6, 0xec, 0xd4, 0x4a, 0x09, 0x46, 0x05, 0x46,
-	0x0d, 0x1e, 0x21, 0x71, 0x2e, 0xfe, 0xe4, 0xa2, 0xd4, 0xc4, 0x92, 0xd4, 0xf8, 0xa2, 0xd4, 0xb2,
-	0xcc, 0xe2, 0xcc, 0xfc, 0x3c, 0x09, 0x26, 0xa0, 0x04, 0xb3, 0x90, 0x08, 0x17, 0x4f, 0x6e, 0x7e,
-	0x0a, 0x42, 0x94, 0x19, 0x2c, 0xca, 0xcf, 0xc5, 0x5e, 0x96, 0x5a, 0x04, 0x16, 0x60, 0x01, 0x0b,
-	0xf0, 0x72, 0xb1, 0x96, 0x81, 0x4c, 0x95, 0x60, 0x05, 0x1b, 0x07, 0xe4, 0xe6, 0xa4, 0x26, 0x16,
-	0xa7, 0x4a, 0xb0, 0x81, 0x64, 0x95, 0xaa, 0xb8, 0x58, 0x5d, 0xcb, 0x52, 0xf3, 0x4a, 0x84, 0x54,
-	0xb9, 0x58, 0x4a, 0x2a, 0x0b, 0x52, 0xc1, 0x96, 0xf2, 0x19, 0x89, 0xeb, 0x41, 0x1c, 0xab, 0x07,
-	0x96, 0x84, 0x90, 0x21, 0x40, 0x69, 0x21, 0x19, 0x2e, 0xa6, 0xec, 0x32, 0xb0, 0x03, 0xb8, 0x8d,
-	0x04, 0x60, 0x8a, 0x60, 0x0e, 0x57, 0xd2, 0xe1, 0xe2, 0x44, 0x28, 0x65, 0xe7, 0x62, 0x0e, 0x08,
-	0x0d, 0x11, 0x60, 0x10, 0xe2, 0xe2, 0x62, 0x73, 0x71, 0xf5, 0x71, 0x0d, 0x71, 0x15, 0x60, 0x04,
-	0xb1, 0x5d, 0x23, 0x02, 0x3c, 0x83, 0x5c, 0x05, 0x98, 0x9c, 0x44, 0x4e, 0x3c, 0x94, 0x63, 0xb8,
-	0x00, 0xc4, 0x27, 0x1e, 0xc9, 0x31, 0x5e, 0x00, 0xe2, 0x07, 0x40, 0x9c, 0xc4, 0x06, 0x0e, 0x0f,
-	0x63, 0x40, 0x00, 0x00, 0x00, 0xff, 0xff, 0x4a, 0x2d, 0xc3, 0x10, 0x39, 0x01, 0x00, 0x00,
+	0x4f, 0xcf, 0x07, 0x0b, 0xe9, 0x83, 0x58, 0x10, 0x59, 0xa5, 0x75, 0x8c, 0x5c, 0x1c, 0xde, 0xa9,
+	0x95, 0x61, 0x89, 0x39, 0xa5, 0xa9, 0x42, 0x02, 0x5c, 0xcc, 0xd9, 0xa9, 0x95, 0x12, 0x8c, 0x0a,
+	0x8c, 0x1a, 0x3c, 0x41, 0x20, 0xa6, 0x90, 0x3a, 0x17, 0x7f, 0x72, 0x51, 0x6a, 0x62, 0x49, 0x6a,
+	0x7c, 0x51, 0x6a, 0x59, 0x66, 0x71, 0x66, 0x7e, 0x9e, 0x04, 0x13, 0x50, 0x96, 0x39, 0x88, 0x0f,
+	0x22, 0x1c, 0x04, 0x15, 0x15, 0x52, 0xe4, 0xe2, 0xc9, 0xcd, 0x4f, 0x41, 0xa8, 0x62, 0x06, 0xab,
+	0xe2, 0x06, 0x8a, 0xc1, 0x95, 0x48, 0x70, 0xb1, 0x97, 0xa5, 0x16, 0x81, 0x65, 0x59, 0xc0, 0xb2,
+	0x30, 0xae, 0x90, 0x08, 0x17, 0x6b, 0x19, 0xc8, 0x01, 0x12, 0xac, 0x60, 0x9b, 0x21, 0x1c, 0x90,
+	0x68, 0x4e, 0x6a, 0x62, 0x71, 0xaa, 0x04, 0x1b, 0x58, 0x35, 0x84, 0xa3, 0xd4, 0xc2, 0xc8, 0xc5,
+	0xea, 0x5a, 0x96, 0x9a, 0x57, 0x22, 0xa4, 0xcd, 0xc5, 0x52, 0x52, 0x59, 0x90, 0x0a, 0x76, 0x2e,
+	0x9f, 0x91, 0xb8, 0x1e, 0xc4, 0x9f, 0x7a, 0x60, 0x49, 0x08, 0x19, 0x02, 0x94, 0x0e, 0x02, 0x2b,
+	0x12, 0x52, 0xe0, 0x62, 0xca, 0x2e, 0x03, 0xbb, 0x9d, 0xdb, 0x48, 0x00, 0xa6, 0x14, 0xe6, 0xf1,
+	0x20, 0xa0, 0x9c, 0x92, 0x0e, 0x17, 0x27, 0x5c, 0x93, 0x10, 0x3b, 0x17, 0x73, 0x40, 0x68, 0x88,
+	0x00, 0x83, 0x10, 0x17, 0x17, 0x9b, 0x8b, 0xab, 0x8f, 0x6b, 0x88, 0xab, 0x00, 0x23, 0x88, 0xed,
+	0x1a, 0x11, 0xe0, 0x19, 0xe4, 0x2a, 0xc0, 0xe4, 0x24, 0x72, 0xe2, 0xa1, 0x1c, 0xc3, 0x05, 0x20,
+	0x3e, 0xf1, 0x48, 0x8e, 0xf1, 0x02, 0x10, 0x3f, 0x00, 0xe2, 0x24, 0x36, 0x70, 0xa0, 0x1a, 0x03,
+	0x02, 0x00, 0x00, 0xff, 0xff, 0x80, 0xae, 0xe6, 0x9d, 0x7e, 0x01, 0x00, 0x00,
 }
diff --git a/vendor/github.com/coreos/etcd/pkg/compress/compress.go b/vendor/github.com/coreos/etcd/pkg/compress/compress.go
deleted file mode 100644
index e73abffb..00000000
--- a/vendor/github.com/coreos/etcd/pkg/compress/compress.go
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright 2016 CoreOS, Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package compress
-
-import "io"
-
-type Type int
-
-const (
-	NoCompress Type = iota
-	Snappy
-	Lz4
-)
-
-var (
-	headers = [...]string{
-		"",
-		"snappy",
-		"lz4",
-	}
-)
-
-func (ct Type) String() string {
-	return headers[ct]
-}
-
-func ParseType(opt string) Type {
-	switch opt {
-	case "snappy":
-		return Snappy
-
-	case "lz4":
-		return Lz4
-
-	default:
-		return NoCompress
-	}
-}
-
-type Compressor interface {
-	// Do compresses p into w.
-	Do(w io.Writer, p []byte) error
-
-	// Type returns the compression algorithm the Compressor uses.
-	Type() string
-}
-
-func NewCompressor(ct Type) Compressor {
-	switch ct {
-	case Snappy:
-		return NewSnappyCompressor()
-
-	case Lz4:
-		return NewLz4Compressor()
-
-	default:
-		return nil
-	}
-}
-
-type Decompressor interface {
-	// Do reads the data from r and uncompress them.
-	Do(r io.Reader) ([]byte, error)
-
-	// Type returns the compression algorithm the Decompressor uses.
-	Type() string
-}
-
-func NewDecompressor(ct Type) Decompressor {
-	switch ct {
-	case Snappy:
-		return NewSnappyDecompressor()
-
-	case Lz4:
-		return NewLz4Decompressor()
-
-	default:
-		return nil
-	}
-}
diff --git a/vendor/github.com/coreos/etcd/pkg/compress/doc.go b/vendor/github.com/coreos/etcd/pkg/compress/doc.go
deleted file mode 100644
index 6e21648f..00000000
--- a/vendor/github.com/coreos/etcd/pkg/compress/doc.go
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2016 CoreOS, Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package compress wraps compression algorithms.
-package compress
diff --git a/vendor/github.com/coreos/etcd/pkg/compress/lz4.go b/vendor/github.com/coreos/etcd/pkg/compress/lz4.go
deleted file mode 100644
index aaab59eb..00000000
--- a/vendor/github.com/coreos/etcd/pkg/compress/lz4.go
+++ /dev/null
@@ -1,59 +0,0 @@
-// Copyright 2016 CoreOS, Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package compress
-
-import (
-	"io"
-	"io/ioutil"
-
-	"github.com/bkaradzic/go-lz4"
-)
-
-func NewLz4Compressor() Compressor {
-	return lz4Compressor{}
-}
-
-type lz4Compressor struct{}
-
-func (_ lz4Compressor) Do(w io.Writer, p []byte) error {
-	bts, err := lz4.Encode(nil, p)
-	if err != nil {
-		return err
-	}
-	_, err = w.Write(bts)
-	return err
-}
-
-func (_ lz4Compressor) Type() string {
-	return headers[Lz4]
-}
-
-func NewLz4Decompressor() Decompressor {
-	return lz4Decompressor{}
-}
-
-type lz4Decompressor struct{}
-
-func (_ lz4Decompressor) Do(r io.Reader) ([]byte, error) {
-	src, err := ioutil.ReadAll(r)
-	if err != nil {
-		return nil, err
-	}
-	return lz4.Decode(nil, src)
-}
-
-func (_ lz4Decompressor) Type() string {
-	return headers[Lz4]
-}
diff --git a/vendor/github.com/coreos/etcd/pkg/compress/snappy.go b/vendor/github.com/coreos/etcd/pkg/compress/snappy.go
deleted file mode 100644
index d7882ade..00000000
--- a/vendor/github.com/coreos/etcd/pkg/compress/snappy.go
+++ /dev/null
@@ -1,79 +0,0 @@
-// Copyright 2016 CoreOS, Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package compress
-
-import (
-	"io"
-	"io/ioutil"
-	"sync"
-
-	"github.com/golang/snappy"
-)
-
-var (
-	snappyWriterPool sync.Pool
-	snappyReaderPool sync.Pool
-)
-
-func NewSnappyCompressor() Compressor {
-	return snappyCompressor{}
-}
-
-type snappyCompressor struct{}
-
-func (_ snappyCompressor) Do(w io.Writer, p []byte) error {
-	var writer *snappy.Writer
-	if wp := snappyWriterPool.Get(); wp != nil {
-		writer = wp.(*snappy.Writer)
-		writer.Reset(w)
-	} else {
-		writer = snappy.NewBufferedWriter(w)
-	}
-	if _, err := writer.Write(p); err != nil {
-		writer.Close()
-		snappyWriterPool.Put(writer)
-		return err
-	}
-	werr := writer.Close()
-	snappyWriterPool.Put(writer)
-	return werr
-}
-
-func (_ snappyCompressor) Type() string {
-	return headers[Snappy]
-}
-
-func NewSnappyDecompressor() Decompressor {
-	return snappyDecompressor{}
-}
-
-type snappyDecompressor struct{}
-
-func (_ snappyDecompressor) Do(r io.Reader) ([]byte, error) {
-	var reader *snappy.Reader
-	if wp := snappyReaderPool.Get(); wp != nil {
-		reader = wp.(*snappy.Reader)
-		reader.Reset(r)
-	} else {
-		reader = snappy.NewReader(r)
-	}
-	bts, err := ioutil.ReadAll(reader)
-	snappyReaderPool.Put(reader)
-	return bts, err
-}
-
-func (_ snappyDecompressor) Type() string {
-	return headers[Snappy]
-}
diff --git a/vendor/github.com/golang/snappy/.gitignore b/vendor/github.com/golang/snappy/.gitignore
deleted file mode 100644
index 042091d9..00000000
--- a/vendor/github.com/golang/snappy/.gitignore
+++ /dev/null
@@ -1,16 +0,0 @@
-cmd/snappytool/snappytool
-testdata/bench
-
-# These explicitly listed benchmark data files are for an obsolete version of
-# snappy_test.go.
-testdata/alice29.txt
-testdata/asyoulik.txt
-testdata/fireworks.jpeg
-testdata/geo.protodata
-testdata/html
-testdata/html_x_4
-testdata/kppkn.gtb
-testdata/lcet10.txt
-testdata/paper-100k.pdf
-testdata/plrabn12.txt
-testdata/urls.10K
diff --git a/vendor/github.com/golang/snappy/AUTHORS b/vendor/github.com/golang/snappy/AUTHORS
deleted file mode 100644
index bcfa1952..00000000
--- a/vendor/github.com/golang/snappy/AUTHORS
+++ /dev/null
@@ -1,15 +0,0 @@
-# This is the official list of Snappy-Go authors for copyright purposes.
-# This file is distinct from the CONTRIBUTORS files.
-# See the latter for an explanation.
-
-# Names should be added to this file as
-#	Name or Organization <email address>
-# The email address is not required for organizations.
-
-# Please keep the list sorted.
-
-Damian Gryski <dgryski@gmail.com>
-Google Inc.
-Jan Mercl <0xjnml@gmail.com>
-Rodolfo Carvalho <rhcarvalho@gmail.com>
-Sebastien Binet <seb.binet@gmail.com>
diff --git a/vendor/github.com/golang/snappy/CONTRIBUTORS b/vendor/github.com/golang/snappy/CONTRIBUTORS
deleted file mode 100644
index 931ae316..00000000
--- a/vendor/github.com/golang/snappy/CONTRIBUTORS
+++ /dev/null
@@ -1,37 +0,0 @@
-# This is the official list of people who can contribute
-# (and typically have contributed) code to the Snappy-Go repository.
-# The AUTHORS file lists the copyright holders; this file
-# lists people.  For example, Google employees are listed here
-# but not in AUTHORS, because Google holds the copyright.
-#
-# The submission process automatically checks to make sure
-# that people submitting code are listed in this file (by email address).
-#
-# Names should be added to this file only after verifying that
-# the individual or the individual's organization has agreed to
-# the appropriate Contributor License Agreement, found here:
-#
-#     http://code.google.com/legal/individual-cla-v1.0.html
-#     http://code.google.com/legal/corporate-cla-v1.0.html
-#
-# The agreement for individuals can be filled out on the web.
-#
-# When adding J Random Contributor's name to this file,
-# either J's name or J's organization's name should be
-# added to the AUTHORS file, depending on whether the
-# individual or corporate CLA was used.
-
-# Names should be added to this file like so:
-#     Name <email address>
-
-# Please keep the list sorted.
-
-Damian Gryski <dgryski@gmail.com>
-Jan Mercl <0xjnml@gmail.com>
-Kai Backman <kaib@golang.org>
-Marc-Antoine Ruel <maruel@chromium.org>
-Nigel Tao <nigeltao@golang.org>
-Rob Pike <r@golang.org>
-Rodolfo Carvalho <rhcarvalho@gmail.com>
-Russ Cox <rsc@golang.org>
-Sebastien Binet <seb.binet@gmail.com>
diff --git a/vendor/github.com/golang/snappy/LICENSE b/vendor/github.com/golang/snappy/LICENSE
deleted file mode 100644
index 6050c10f..00000000
--- a/vendor/github.com/golang/snappy/LICENSE
+++ /dev/null
@@ -1,27 +0,0 @@
-Copyright (c) 2011 The Snappy-Go Authors. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-   * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-   * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-   * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/vendor/github.com/golang/snappy/README b/vendor/github.com/golang/snappy/README
deleted file mode 100644
index 6b138265..00000000
--- a/vendor/github.com/golang/snappy/README
+++ /dev/null
@@ -1,107 +0,0 @@
-The Snappy compression format in the Go programming language.
-
-To download and install from source:
-$ go get github.com/golang/snappy
-
-Unless otherwise noted, the Snappy-Go source files are distributed
-under the BSD-style license found in the LICENSE file.
-
-
-
-Benchmarks.
-
-The golang/snappy benchmarks include compressing (Z) and decompressing (U) ten
-or so files, the same set used by the C++ Snappy code (github.com/google/snappy
-and note the "google", not "golang"). On an "Intel(R) Core(TM) i7-3770 CPU @
-3.40GHz", Go's GOARCH=amd64 numbers as of 2016-04-29:
-
-"go test -test.bench=."
-
-_UFlat0-8         2.23GB/s ± 1%  html
-_UFlat1-8         1.43GB/s ± 0%  urls
-_UFlat2-8         23.7GB/s ± 1%  jpg
-_UFlat3-8         1.93GB/s ± 0%  jpg_200
-_UFlat4-8         13.9GB/s ± 2%  pdf
-_UFlat5-8         2.00GB/s ± 0%  html4
-_UFlat6-8          829MB/s ± 0%  txt1
-_UFlat7-8          799MB/s ± 0%  txt2
-_UFlat8-8          871MB/s ± 0%  txt3
-_UFlat9-8          730MB/s ± 0%  txt4
-_UFlat10-8        2.87GB/s ± 0%  pb
-_UFlat11-8        1.07GB/s ± 0%  gaviota
-
-_ZFlat0-8         1.04GB/s ± 0%  html
-_ZFlat1-8          536MB/s ± 0%  urls
-_ZFlat2-8         16.3GB/s ± 2%  jpg
-_ZFlat3-8          762MB/s ± 0%  jpg_200
-_ZFlat4-8         9.48GB/s ± 1%  pdf
-_ZFlat5-8          990MB/s ± 0%  html4
-_ZFlat6-8          381MB/s ± 0%  txt1
-_ZFlat7-8          353MB/s ± 0%  txt2
-_ZFlat8-8          398MB/s ± 0%  txt3
-_ZFlat9-8          329MB/s ± 0%  txt4
-_ZFlat10-8        1.35GB/s ± 1%  pb
-_ZFlat11-8         608MB/s ± 0%  gaviota
-
-
-
-"go test -test.bench=. -tags=noasm"
-
-_UFlat0-8          637MB/s ± 0%  html
-_UFlat1-8          506MB/s ± 0%  urls
-_UFlat2-8         23.0GB/s ± 5%  jpg
-_UFlat3-8         1.17GB/s ± 0%  jpg_200
-_UFlat4-8         4.44GB/s ± 1%  pdf
-_UFlat5-8          623MB/s ± 0%  html4
-_UFlat6-8          300MB/s ± 1%  txt1
-_UFlat7-8          293MB/s ± 0%  txt2
-_UFlat8-8          316MB/s ± 0%  txt3
-_UFlat9-8          285MB/s ± 0%  txt4
-_UFlat10-8         768MB/s ± 0%  pb
-_UFlat11-8         406MB/s ± 1%  gaviota
-
-_ZFlat0-8          411MB/s ± 1%  html
-_ZFlat1-8          250MB/s ± 1%  urls
-_ZFlat2-8         12.7GB/s ± 1%  jpg
-_ZFlat3-8          157MB/s ± 0%  jpg_200
-_ZFlat4-8         2.95GB/s ± 0%  pdf
-_ZFlat5-8          406MB/s ± 0%  html4
-_ZFlat6-8          182MB/s ± 0%  txt1
-_ZFlat7-8          173MB/s ± 1%  txt2
-_ZFlat8-8          191MB/s ± 0%  txt3
-_ZFlat9-8          166MB/s ± 0%  txt4
-_ZFlat10-8         480MB/s ± 0%  pb
-_ZFlat11-8         272MB/s ± 0%  gaviota
-
-
-
-For comparison (Go's encoded output is byte-for-byte identical to C++'s), here
-are the numbers from C++ Snappy's
-
-make CXXFLAGS="-O2 -DNDEBUG -g" clean snappy_unittest.log && cat snappy_unittest.log
-
-BM_UFlat/0     2.4GB/s  html
-BM_UFlat/1     1.4GB/s  urls
-BM_UFlat/2    21.8GB/s  jpg
-BM_UFlat/3     1.5GB/s  jpg_200
-BM_UFlat/4    13.3GB/s  pdf
-BM_UFlat/5     2.1GB/s  html4
-BM_UFlat/6     1.0GB/s  txt1
-BM_UFlat/7   959.4MB/s  txt2
-BM_UFlat/8     1.0GB/s  txt3
-BM_UFlat/9   864.5MB/s  txt4
-BM_UFlat/10    2.9GB/s  pb
-BM_UFlat/11    1.2GB/s  gaviota
-
-BM_ZFlat/0   944.3MB/s  html (22.31 %)
-BM_ZFlat/1   501.6MB/s  urls (47.78 %)
-BM_ZFlat/2    14.3GB/s  jpg (99.95 %)
-BM_ZFlat/3   538.3MB/s  jpg_200 (73.00 %)
-BM_ZFlat/4     8.3GB/s  pdf (83.30 %)
-BM_ZFlat/5   903.5MB/s  html4 (22.52 %)
-BM_ZFlat/6   336.0MB/s  txt1 (57.88 %)
-BM_ZFlat/7   312.3MB/s  txt2 (61.91 %)
-BM_ZFlat/8   353.1MB/s  txt3 (54.99 %)
-BM_ZFlat/9   289.9MB/s  txt4 (66.26 %)
-BM_ZFlat/10    1.2GB/s  pb (19.68 %)
-BM_ZFlat/11  527.4MB/s  gaviota (37.72 %)
diff --git a/vendor/github.com/golang/snappy/decode.go b/vendor/github.com/golang/snappy/decode.go
deleted file mode 100644
index 819c7174..00000000
--- a/vendor/github.com/golang/snappy/decode.go
+++ /dev/null
@@ -1,241 +0,0 @@
-// Copyright 2011 The Snappy-Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package snappy
-
-import (
-	"encoding/binary"
-	"errors"
-	"io"
-)
-
-var (
-	// ErrCorrupt reports that the input is invalid.
-	ErrCorrupt = errors.New("snappy: corrupt input")
-	// ErrTooLarge reports that the uncompressed length is too large.
-	ErrTooLarge = errors.New("snappy: decoded block is too large")
-	// ErrUnsupported reports that the input isn't supported.
-	ErrUnsupported = errors.New("snappy: unsupported input")
-
-	errUnsupportedCopy4Tag      = errors.New("snappy: unsupported COPY_4 tag")
-	errUnsupportedLiteralLength = errors.New("snappy: unsupported literal length")
-)
-
-// DecodedLen returns the length of the decoded block.
-func DecodedLen(src []byte) (int, error) {
-	v, _, err := decodedLen(src)
-	return v, err
-}
-
-// decodedLen returns the length of the decoded block and the number of bytes
-// that the length header occupied.
-func decodedLen(src []byte) (blockLen, headerLen int, err error) {
-	v, n := binary.Uvarint(src)
-	if n <= 0 || v > 0xffffffff {
-		return 0, 0, ErrCorrupt
-	}
-
-	const wordSize = 32 << (^uint(0) >> 32 & 1)
-	if wordSize == 32 && v > 0x7fffffff {
-		return 0, 0, ErrTooLarge
-	}
-	return int(v), n, nil
-}
-
-const (
-	decodeErrCodeCorrupt                  = 1
-	decodeErrCodeUnsupportedLiteralLength = 2
-	decodeErrCodeUnsupportedCopy4Tag      = 3
-)
-
-// Decode returns the decoded form of src. The returned slice may be a sub-
-// slice of dst if dst was large enough to hold the entire decoded block.
-// Otherwise, a newly allocated slice will be returned.
-//
-// The dst and src must not overlap. It is valid to pass a nil dst.
-func Decode(dst, src []byte) ([]byte, error) {
-	dLen, s, err := decodedLen(src)
-	if err != nil {
-		return nil, err
-	}
-	if dLen <= len(dst) {
-		dst = dst[:dLen]
-	} else {
-		dst = make([]byte, dLen)
-	}
-	switch decode(dst, src[s:]) {
-	case 0:
-		return dst, nil
-	case decodeErrCodeUnsupportedLiteralLength:
-		return nil, errUnsupportedLiteralLength
-	case decodeErrCodeUnsupportedCopy4Tag:
-		return nil, errUnsupportedCopy4Tag
-	}
-	return nil, ErrCorrupt
-}
-
-// NewReader returns a new Reader that decompresses from r, using the framing
-// format described at
-// https://github.com/google/snappy/blob/master/framing_format.txt
-func NewReader(r io.Reader) *Reader {
-	return &Reader{
-		r:       r,
-		decoded: make([]byte, maxBlockSize),
-		buf:     make([]byte, maxEncodedLenOfMaxBlockSize+checksumSize),
-	}
-}
-
-// Reader is an io.Reader that can read Snappy-compressed bytes.
-type Reader struct {
-	r       io.Reader
-	err     error
-	decoded []byte
-	buf     []byte
-	// decoded[i:j] contains decoded bytes that have not yet been passed on.
-	i, j       int
-	readHeader bool
-}
-
-// Reset discards any buffered data, resets all state, and switches the Snappy
-// reader to read from r. This permits reusing a Reader rather than allocating
-// a new one.
-func (r *Reader) Reset(reader io.Reader) {
-	r.r = reader
-	r.err = nil
-	r.i = 0
-	r.j = 0
-	r.readHeader = false
-}
-
-func (r *Reader) readFull(p []byte, allowEOF bool) (ok bool) {
-	if _, r.err = io.ReadFull(r.r, p); r.err != nil {
-		if r.err == io.ErrUnexpectedEOF || (r.err == io.EOF && !allowEOF) {
-			r.err = ErrCorrupt
-		}
-		return false
-	}
-	return true
-}
-
-// Read satisfies the io.Reader interface.
-func (r *Reader) Read(p []byte) (int, error) {
-	if r.err != nil {
-		return 0, r.err
-	}
-	for {
-		if r.i < r.j {
-			n := copy(p, r.decoded[r.i:r.j])
-			r.i += n
-			return n, nil
-		}
-		if !r.readFull(r.buf[:4], true) {
-			return 0, r.err
-		}
-		chunkType := r.buf[0]
-		if !r.readHeader {
-			if chunkType != chunkTypeStreamIdentifier {
-				r.err = ErrCorrupt
-				return 0, r.err
-			}
-			r.readHeader = true
-		}
-		chunkLen := int(r.buf[1]) | int(r.buf[2])<<8 | int(r.buf[3])<<16
-		if chunkLen > len(r.buf) {
-			r.err = ErrUnsupported
-			return 0, r.err
-		}
-
-		// The chunk types are specified at
-		// https://github.com/google/snappy/blob/master/framing_format.txt
-		switch chunkType {
-		case chunkTypeCompressedData:
-			// Section 4.2. Compressed data (chunk type 0x00).
-			if chunkLen < checksumSize {
-				r.err = ErrCorrupt
-				return 0, r.err
-			}
-			buf := r.buf[:chunkLen]
-			if !r.readFull(buf, false) {
-				return 0, r.err
-			}
-			checksum := uint32(buf[0]) | uint32(buf[1])<<8 | uint32(buf[2])<<16 | uint32(buf[3])<<24
-			buf = buf[checksumSize:]
-
-			n, err := DecodedLen(buf)
-			if err != nil {
-				r.err = err
-				return 0, r.err
-			}
-			if n > len(r.decoded) {
-				r.err = ErrCorrupt
-				return 0, r.err
-			}
-			if _, err := Decode(r.decoded, buf); err != nil {
-				r.err = err
-				return 0, r.err
-			}
-			if crc(r.decoded[:n]) != checksum {
-				r.err = ErrCorrupt
-				return 0, r.err
-			}
-			r.i, r.j = 0, n
-			continue
-
-		case chunkTypeUncompressedData:
-			// Section 4.3. Uncompressed data (chunk type 0x01).
-			if chunkLen < checksumSize {
-				r.err = ErrCorrupt
-				return 0, r.err
-			}
-			buf := r.buf[:checksumSize]
-			if !r.readFull(buf, false) {
-				return 0, r.err
-			}
-			checksum := uint32(buf[0]) | uint32(buf[1])<<8 | uint32(buf[2])<<16 | uint32(buf[3])<<24
-			// Read directly into r.decoded instead of via r.buf.
-			n := chunkLen - checksumSize
-			if n > len(r.decoded) {
-				r.err = ErrCorrupt
-				return 0, r.err
-			}
-			if !r.readFull(r.decoded[:n], false) {
-				return 0, r.err
-			}
-			if crc(r.decoded[:n]) != checksum {
-				r.err = ErrCorrupt
-				return 0, r.err
-			}
-			r.i, r.j = 0, n
-			continue
-
-		case chunkTypeStreamIdentifier:
-			// Section 4.1. Stream identifier (chunk type 0xff).
-			if chunkLen != len(magicBody) {
-				r.err = ErrCorrupt
-				return 0, r.err
-			}
-			if !r.readFull(r.buf[:len(magicBody)], false) {
-				return 0, r.err
-			}
-			for i := 0; i < len(magicBody); i++ {
-				if r.buf[i] != magicBody[i] {
-					r.err = ErrCorrupt
-					return 0, r.err
-				}
-			}
-			continue
-		}
-
-		if chunkType <= 0x7f {
-			// Section 4.5. Reserved unskippable chunks (chunk types 0x02-0x7f).
-			r.err = ErrUnsupported
-			return 0, r.err
-		}
-		// Section 4.4 Padding (chunk type 0xfe).
-		// Section 4.6. Reserved skippable chunks (chunk types 0x80-0xfd).
-		if !r.readFull(r.buf[:chunkLen], false) {
-			return 0, r.err
-		}
-	}
-}
diff --git a/vendor/github.com/golang/snappy/decode_amd64.go b/vendor/github.com/golang/snappy/decode_amd64.go
deleted file mode 100644
index fcd192b8..00000000
--- a/vendor/github.com/golang/snappy/decode_amd64.go
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright 2016 The Snappy-Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build !appengine
-// +build gc
-// +build !noasm
-
-package snappy
-
-// decode has the same semantics as in decode_other.go.
-//
-//go:noescape
-func decode(dst, src []byte) int
diff --git a/vendor/github.com/golang/snappy/decode_amd64.s b/vendor/github.com/golang/snappy/decode_amd64.s
deleted file mode 100644
index ed1e93bb..00000000
--- a/vendor/github.com/golang/snappy/decode_amd64.s
+++ /dev/null
@@ -1,476 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build !appengine
-// +build gc
-// +build !noasm
-
-#include "textflag.h"
-
-// The asm code generally follows the pure Go code in decode_other.go, except
-// where marked with a "!!!".
-
-// func decode(dst, src []byte) int
-//
-// All local variables fit into registers. The non-zero stack size is only to
-// spill registers and push args when issuing a CALL. The register allocation:
-//	- AX	scratch
-//	- BX	scratch
-//	- CX	length or x
-//	- DX	offset
-//	- SI	&src[s]
-//	- DI	&dst[d]
-//	+ R8	dst_base
-//	+ R9	dst_len
-//	+ R10	dst_base + dst_len
-//	+ R11	src_base
-//	+ R12	src_len
-//	+ R13	src_base + src_len
-//	- R14	used by doCopy
-//	- R15	used by doCopy
-//
-// The registers R8-R13 (marked with a "+") are set at the start of the
-// function, and after a CALL returns, and are not otherwise modified.
-//
-// The d variable is implicitly DI - R8,  and len(dst)-d is R10 - DI.
-// The s variable is implicitly SI - R11, and len(src)-s is R13 - SI.
-TEXT ·decode(SB), NOSPLIT, $48-56
-	// Initialize SI, DI and R8-R13.
-	MOVQ dst_base+0(FP), R8
-	MOVQ dst_len+8(FP), R9
-	MOVQ R8, DI
-	MOVQ R8, R10
-	ADDQ R9, R10
-	MOVQ src_base+24(FP), R11
-	MOVQ src_len+32(FP), R12
-	MOVQ R11, SI
-	MOVQ R11, R13
-	ADDQ R12, R13
-
-loop:
-	// for s < len(src)
-	CMPQ SI, R13
-	JEQ  end
-
-	// CX = uint32(src[s])
-	//
-	// switch src[s] & 0x03
-	MOVBLZX (SI), CX
-	MOVL    CX, BX
-	ANDL    $3, BX
-	CMPL    BX, $1
-	JAE     tagCopy
-
-	// ----------------------------------------
-	// The code below handles literal tags.
-
-	// case tagLiteral:
-	// x := uint32(src[s] >> 2)
-	// switch
-	SHRL $2, CX
-	CMPL CX, $60
-	JAE  tagLit60Plus
-
-	// case x < 60:
-	// s++
-	INCQ SI
-
-doLit:
-	// This is the end of the inner "switch", when we have a literal tag.
-	//
-	// We assume that CX == x and x fits in a uint32, where x is the variable
-	// used in the pure Go decode_other.go code.
-
-	// length = int(x) + 1
-	//
-	// Unlike the pure Go code, we don't need to check if length <= 0 because
-	// CX can hold 64 bits, so the increment cannot overflow.
-	INCQ CX
-
-	// Prepare to check if copying length bytes will run past the end of dst or
-	// src.
-	//
-	// AX = len(dst) - d
-	// BX = len(src) - s
-	MOVQ R10, AX
-	SUBQ DI, AX
-	MOVQ R13, BX
-	SUBQ SI, BX
-
-	// !!! Try a faster technique for short (16 or fewer bytes) copies.
-	//
-	// if length > 16 || len(dst)-d < 16 || len(src)-s < 16 {
-	//   goto callMemmove // Fall back on calling runtime·memmove.
-	// }
-	//
-	// The C++ snappy code calls this TryFastAppend. It also checks len(src)-s
-	// against 21 instead of 16, because it cannot assume that all of its input
-	// is contiguous in memory and so it needs to leave enough source bytes to
-	// read the next tag without refilling buffers, but Go's Decode assumes
-	// contiguousness (the src argument is a []byte).
-	CMPQ CX, $16
-	JGT  callMemmove
-	CMPQ AX, $16
-	JLT  callMemmove
-	CMPQ BX, $16
-	JLT  callMemmove
-
-	// !!! Implement the copy from src to dst as a 16-byte load and store.
-	// (Decode's documentation says that dst and src must not overlap.)
-	//
-	// This always copies 16 bytes, instead of only length bytes, but that's
-	// OK. If the input is a valid Snappy encoding then subsequent iterations
-	// will fix up the overrun. Otherwise, Decode returns a nil []byte (and a
-	// non-nil error), so the overrun will be ignored.
-	//
-	// Note that on amd64, it is legal and cheap to issue unaligned 8-byte or
-	// 16-byte loads and stores. This technique probably wouldn't be as
-	// effective on architectures that are fussier about alignment.
-	MOVOU 0(SI), X0
-	MOVOU X0, 0(DI)
-
-	// d += length
-	// s += length
-	ADDQ CX, DI
-	ADDQ CX, SI
-	JMP  loop
-
-callMemmove:
-	// if length > len(dst)-d || length > len(src)-s { etc }
-	CMPQ CX, AX
-	JGT  errCorrupt
-	CMPQ CX, BX
-	JGT  errCorrupt
-
-	// copy(dst[d:], src[s:s+length])
-	//
-	// This means calling runtime·memmove(&dst[d], &src[s], length), so we push
-	// DI, SI and CX as arguments. Coincidentally, we also need to spill those
-	// three registers to the stack, to save local variables across the CALL.
-	MOVQ DI, 0(SP)
-	MOVQ SI, 8(SP)
-	MOVQ CX, 16(SP)
-	MOVQ DI, 24(SP)
-	MOVQ SI, 32(SP)
-	MOVQ CX, 40(SP)
-	CALL runtime·memmove(SB)
-
-	// Restore local variables: unspill registers from the stack and
-	// re-calculate R8-R13.
-	MOVQ 24(SP), DI
-	MOVQ 32(SP), SI
-	MOVQ 40(SP), CX
-	MOVQ dst_base+0(FP), R8
-	MOVQ dst_len+8(FP), R9
-	MOVQ R8, R10
-	ADDQ R9, R10
-	MOVQ src_base+24(FP), R11
-	MOVQ src_len+32(FP), R12
-	MOVQ R11, R13
-	ADDQ R12, R13
-
-	// d += length
-	// s += length
-	ADDQ CX, DI
-	ADDQ CX, SI
-	JMP  loop
-
-tagLit60Plus:
-	// !!! This fragment does the
-	//
-	// s += x - 58; if uint(s) > uint(len(src)) { etc }
-	//
-	// checks. In the asm version, we code it once instead of once per switch case.
-	ADDQ CX, SI
-	SUBQ $58, SI
-	MOVQ SI, BX
-	SUBQ R11, BX
-	CMPQ BX, R12
-	JA   errCorrupt
-
-	// case x == 60:
-	CMPL CX, $61
-	JEQ  tagLit61
-	JA   tagLit62Plus
-
-	// x = uint32(src[s-1])
-	MOVBLZX -1(SI), CX
-	JMP     doLit
-
-tagLit61:
-	// case x == 61:
-	// x = uint32(src[s-2]) | uint32(src[s-1])<<8
-	MOVWLZX -2(SI), CX
-	JMP     doLit
-
-tagLit62Plus:
-	CMPL CX, $62
-	JA   tagLit63
-
-	// case x == 62:
-	// x = uint32(src[s-3]) | uint32(src[s-2])<<8 | uint32(src[s-1])<<16
-	MOVWLZX -3(SI), CX
-	MOVBLZX -1(SI), BX
-	SHLL    $16, BX
-	ORL     BX, CX
-	JMP     doLit
-
-tagLit63:
-	// case x == 63:
-	// x = uint32(src[s-4]) | uint32(src[s-3])<<8 | uint32(src[s-2])<<16 | uint32(src[s-1])<<24
-	MOVL -4(SI), CX
-	JMP  doLit
-
-// The code above handles literal tags.
-// ----------------------------------------
-// The code below handles copy tags.
-
-tagCopy2:
-	// case tagCopy2:
-	// s += 3
-	ADDQ $3, SI
-
-	// if uint(s) > uint(len(src)) { etc }
-	MOVQ SI, BX
-	SUBQ R11, BX
-	CMPQ BX, R12
-	JA   errCorrupt
-
-	// length = 1 + int(src[s-3])>>2
-	SHRQ $2, CX
-	INCQ CX
-
-	// offset = int(src[s-2]) | int(src[s-1])<<8
-	MOVWQZX -2(SI), DX
-	JMP     doCopy
-
-tagCopy:
-	// We have a copy tag. We assume that:
-	//	- BX == src[s] & 0x03
-	//	- CX == src[s]
-	CMPQ BX, $2
-	JEQ  tagCopy2
-	JA   errUC4T
-
-	// case tagCopy1:
-	// s += 2
-	ADDQ $2, SI
-
-	// if uint(s) > uint(len(src)) { etc }
-	MOVQ SI, BX
-	SUBQ R11, BX
-	CMPQ BX, R12
-	JA   errCorrupt
-
-	// offset = int(src[s-2])&0xe0<<3 | int(src[s-1])
-	MOVQ    CX, DX
-	ANDQ    $0xe0, DX
-	SHLQ    $3, DX
-	MOVBQZX -1(SI), BX
-	ORQ     BX, DX
-
-	// length = 4 + int(src[s-2])>>2&0x7
-	SHRQ $2, CX
-	ANDQ $7, CX
-	ADDQ $4, CX
-
-doCopy:
-	// This is the end of the outer "switch", when we have a copy tag.
-	//
-	// We assume that:
-	//	- CX == length && CX > 0
-	//	- DX == offset
-
-	// if offset <= 0 { etc }
-	CMPQ DX, $0
-	JLE  errCorrupt
-
-	// if d < offset { etc }
-	MOVQ DI, BX
-	SUBQ R8, BX
-	CMPQ BX, DX
-	JLT  errCorrupt
-
-	// if length > len(dst)-d { etc }
-	MOVQ R10, BX
-	SUBQ DI, BX
-	CMPQ CX, BX
-	JGT  errCorrupt
-
-	// forwardCopy(dst[d:d+length], dst[d-offset:]); d += length
-	//
-	// Set:
-	//	- R14 = len(dst)-d
-	//	- R15 = &dst[d-offset]
-	MOVQ R10, R14
-	SUBQ DI, R14
-	MOVQ DI, R15
-	SUBQ DX, R15
-
-	// !!! Try a faster technique for short (16 or fewer bytes) forward copies.
-	//
-	// First, try using two 8-byte load/stores, similar to the doLit technique
-	// above. Even if dst[d:d+length] and dst[d-offset:] can overlap, this is
-	// still OK if offset >= 8. Note that this has to be two 8-byte load/stores
-	// and not one 16-byte load/store, and the first store has to be before the
-	// second load, due to the overlap if offset is in the range [8, 16).
-	//
-	// if length > 16 || offset < 8 || len(dst)-d < 16 {
-	//   goto slowForwardCopy
-	// }
-	// copy 16 bytes
-	// d += length
-	CMPQ CX, $16
-	JGT  slowForwardCopy
-	CMPQ DX, $8
-	JLT  slowForwardCopy
-	CMPQ R14, $16
-	JLT  slowForwardCopy
-	MOVQ 0(R15), AX
-	MOVQ AX, 0(DI)
-	MOVQ 8(R15), BX
-	MOVQ BX, 8(DI)
-	ADDQ CX, DI
-	JMP  loop
-
-slowForwardCopy:
-	// !!! If the forward copy is longer than 16 bytes, or if offset < 8, we
-	// can still try 8-byte load stores, provided we can overrun up to 10 extra
-	// bytes. As above, the overrun will be fixed up by subsequent iterations
-	// of the outermost loop.
-	//
-	// The C++ snappy code calls this technique IncrementalCopyFastPath. Its
-	// commentary says:
-	//
-	// ----
-	//
-	// The main part of this loop is a simple copy of eight bytes at a time
-	// until we've copied (at least) the requested amount of bytes.  However,
-	// if d and d-offset are less than eight bytes apart (indicating a
-	// repeating pattern of length < 8), we first need to expand the pattern in
-	// order to get the correct results. For instance, if the buffer looks like
-	// this, with the eight-byte <d-offset> and <d> patterns marked as
-	// intervals:
-	//
-	//    abxxxxxxxxxxxx
-	//    [------]           d-offset
-	//      [------]         d
-	//
-	// a single eight-byte copy from <d-offset> to <d> will repeat the pattern
-	// once, after which we can move <d> two bytes without moving <d-offset>:
-	//
-	//    ababxxxxxxxxxx
-	//    [------]           d-offset
-	//        [------]       d
-	//
-	// and repeat the exercise until the two no longer overlap.
-	//
-	// This allows us to do very well in the special case of one single byte
-	// repeated many times, without taking a big hit for more general cases.
-	//
-	// The worst case of extra writing past the end of the match occurs when
-	// offset == 1 and length == 1; the last copy will read from byte positions
-	// [0..7] and write to [4..11], whereas it was only supposed to write to
-	// position 1. Thus, ten excess bytes.
-	//
-	// ----
-	//
-	// That "10 byte overrun" worst case is confirmed by Go's
-	// TestSlowForwardCopyOverrun, which also tests the fixUpSlowForwardCopy
-	// and finishSlowForwardCopy algorithm.
-	//
-	// if length > len(dst)-d-10 {
-	//   goto verySlowForwardCopy
-	// }
-	SUBQ $10, R14
-	CMPQ CX, R14
-	JGT  verySlowForwardCopy
-
-makeOffsetAtLeast8:
-	// !!! As above, expand the pattern so that offset >= 8 and we can use
-	// 8-byte load/stores.
-	//
-	// for offset < 8 {
-	//   copy 8 bytes from dst[d-offset:] to dst[d:]
-	//   length -= offset
-	//   d      += offset
-	//   offset += offset
-	//   // The two previous lines together means that d-offset, and therefore
-	//   // R15, is unchanged.
-	// }
-	CMPQ DX, $8
-	JGE  fixUpSlowForwardCopy
-	MOVQ (R15), BX
-	MOVQ BX, (DI)
-	SUBQ DX, CX
-	ADDQ DX, DI
-	ADDQ DX, DX
-	JMP  makeOffsetAtLeast8
-
-fixUpSlowForwardCopy:
-	// !!! Add length (which might be negative now) to d (implied by DI being
-	// &dst[d]) so that d ends up at the right place when we jump back to the
-	// top of the loop. Before we do that, though, we save DI to AX so that, if
-	// length is positive, copying the remaining length bytes will write to the
-	// right place.
-	MOVQ DI, AX
-	ADDQ CX, DI
-
-finishSlowForwardCopy:
-	// !!! Repeat 8-byte load/stores until length <= 0. Ending with a negative
-	// length means that we overrun, but as above, that will be fixed up by
-	// subsequent iterations of the outermost loop.
-	CMPQ CX, $0
-	JLE  loop
-	MOVQ (R15), BX
-	MOVQ BX, (AX)
-	ADDQ $8, R15
-	ADDQ $8, AX
-	SUBQ $8, CX
-	JMP  finishSlowForwardCopy
-
-verySlowForwardCopy:
-	// verySlowForwardCopy is a simple implementation of forward copy. In C
-	// parlance, this is a do/while loop instead of a while loop, since we know
-	// that length > 0. In Go syntax:
-	//
-	// for {
-	//   dst[d] = dst[d - offset]
-	//   d++
-	//   length--
-	//   if length == 0 {
-	//     break
-	//   }
-	// }
-	MOVB (R15), BX
-	MOVB BX, (DI)
-	INCQ R15
-	INCQ DI
-	DECQ CX
-	JNZ  verySlowForwardCopy
-	JMP  loop
-
-// The code above handles copy tags.
-// ----------------------------------------
-
-end:
-	// This is the end of the "for s < len(src)".
-	//
-	// if d != len(dst) { etc }
-	CMPQ DI, R10
-	JNE  errCorrupt
-
-	// return 0
-	MOVQ $0, ret+48(FP)
-	RET
-
-errCorrupt:
-	// return decodeErrCodeCorrupt
-	MOVQ $1, ret+48(FP)
-	RET
-
-errUC4T:
-	// return decodeErrCodeUnsupportedCopy4Tag
-	MOVQ $3, ret+48(FP)
-	RET
diff --git a/vendor/github.com/golang/snappy/decode_other.go b/vendor/github.com/golang/snappy/decode_other.go
deleted file mode 100644
index f305b6f3..00000000
--- a/vendor/github.com/golang/snappy/decode_other.go
+++ /dev/null
@@ -1,96 +0,0 @@
-// Copyright 2016 The Snappy-Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build !amd64 appengine !gc noasm
-
-package snappy
-
-// decode writes the decoding of src to dst. It assumes that the varint-encoded
-// length of the decompressed bytes has already been read, and that len(dst)
-// equals that length.
-//
-// It returns 0 on success or a decodeErrCodeXxx error code on failure.
-func decode(dst, src []byte) int {
-	var d, s, offset, length int
-	for s < len(src) {
-		switch src[s] & 0x03 {
-		case tagLiteral:
-			x := uint32(src[s] >> 2)
-			switch {
-			case x < 60:
-				s++
-			case x == 60:
-				s += 2
-				if uint(s) > uint(len(src)) { // The uint conversions catch overflow from the previous line.
-					return decodeErrCodeCorrupt
-				}
-				x = uint32(src[s-1])
-			case x == 61:
-				s += 3
-				if uint(s) > uint(len(src)) { // The uint conversions catch overflow from the previous line.
-					return decodeErrCodeCorrupt
-				}
-				x = uint32(src[s-2]) | uint32(src[s-1])<<8
-			case x == 62:
-				s += 4
-				if uint(s) > uint(len(src)) { // The uint conversions catch overflow from the previous line.
-					return decodeErrCodeCorrupt
-				}
-				x = uint32(src[s-3]) | uint32(src[s-2])<<8 | uint32(src[s-1])<<16
-			case x == 63:
-				s += 5
-				if uint(s) > uint(len(src)) { // The uint conversions catch overflow from the previous line.
-					return decodeErrCodeCorrupt
-				}
-				x = uint32(src[s-4]) | uint32(src[s-3])<<8 | uint32(src[s-2])<<16 | uint32(src[s-1])<<24
-			}
-			length = int(x) + 1
-			if length <= 0 {
-				return decodeErrCodeUnsupportedLiteralLength
-			}
-			if length > len(dst)-d || length > len(src)-s {
-				return decodeErrCodeCorrupt
-			}
-			copy(dst[d:], src[s:s+length])
-			d += length
-			s += length
-			continue
-
-		case tagCopy1:
-			s += 2
-			if uint(s) > uint(len(src)) { // The uint conversions catch overflow from the previous line.
-				return decodeErrCodeCorrupt
-			}
-			length = 4 + int(src[s-2])>>2&0x7
-			offset = int(src[s-2])&0xe0<<3 | int(src[s-1])
-
-		case tagCopy2:
-			s += 3
-			if uint(s) > uint(len(src)) { // The uint conversions catch overflow from the previous line.
-				return decodeErrCodeCorrupt
-			}
-			length = 1 + int(src[s-3])>>2
-			offset = int(src[s-2]) | int(src[s-1])<<8
-
-		case tagCopy4:
-			return decodeErrCodeUnsupportedCopy4Tag
-		}
-
-		if offset <= 0 || d < offset || length > len(dst)-d {
-			return decodeErrCodeCorrupt
-		}
-		// Copy from an earlier sub-slice of dst to a later sub-slice. Unlike
-		// the built-in copy function, this byte-by-byte copy always runs
-		// forwards, even if the slices overlap. Conceptually, this is:
-		//
-		// d += forwardCopy(dst[d:d+length], dst[d-offset:])
-		for end := d + length; d != end; d++ {
-			dst[d] = dst[d-offset]
-		}
-	}
-	if d != len(dst) {
-		return decodeErrCodeCorrupt
-	}
-	return 0
-}
diff --git a/vendor/github.com/golang/snappy/encode.go b/vendor/github.com/golang/snappy/encode.go
deleted file mode 100644
index 87496890..00000000
--- a/vendor/github.com/golang/snappy/encode.go
+++ /dev/null
@@ -1,285 +0,0 @@
-// Copyright 2011 The Snappy-Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package snappy
-
-import (
-	"encoding/binary"
-	"errors"
-	"io"
-)
-
-// Encode returns the encoded form of src. The returned slice may be a sub-
-// slice of dst if dst was large enough to hold the entire encoded block.
-// Otherwise, a newly allocated slice will be returned.
-//
-// The dst and src must not overlap. It is valid to pass a nil dst.
-func Encode(dst, src []byte) []byte {
-	if n := MaxEncodedLen(len(src)); n < 0 {
-		panic(ErrTooLarge)
-	} else if len(dst) < n {
-		dst = make([]byte, n)
-	}
-
-	// The block starts with the varint-encoded length of the decompressed bytes.
-	d := binary.PutUvarint(dst, uint64(len(src)))
-
-	for len(src) > 0 {
-		p := src
-		src = nil
-		if len(p) > maxBlockSize {
-			p, src = p[:maxBlockSize], p[maxBlockSize:]
-		}
-		if len(p) < minNonLiteralBlockSize {
-			d += emitLiteral(dst[d:], p)
-		} else {
-			d += encodeBlock(dst[d:], p)
-		}
-	}
-	return dst[:d]
-}
-
-// inputMargin is the minimum number of extra input bytes to keep, inside
-// encodeBlock's inner loop. On some architectures, this margin lets us
-// implement a fast path for emitLiteral, where the copy of short (<= 16 byte)
-// literals can be implemented as a single load to and store from a 16-byte
-// register. That literal's actual length can be as short as 1 byte, so this
-// can copy up to 15 bytes too much, but that's OK as subsequent iterations of
-// the encoding loop will fix up the copy overrun, and this inputMargin ensures
-// that we don't overrun the dst and src buffers.
-const inputMargin = 16 - 1
-
-// minNonLiteralBlockSize is the minimum size of the input to encodeBlock that
-// could be encoded with a copy tag. This is the minimum with respect to the
-// algorithm used by encodeBlock, not a minimum enforced by the file format.
-//
-// The encoded output must start with at least a 1 byte literal, as there are
-// no previous bytes to copy. A minimal (1 byte) copy after that, generated
-// from an emitCopy call in encodeBlock's main loop, would require at least
-// another inputMargin bytes, for the reason above: we want any emitLiteral
-// calls inside encodeBlock's main loop to use the fast path if possible, which
-// requires being able to overrun by inputMargin bytes. Thus,
-// minNonLiteralBlockSize equals 1 + 1 + inputMargin.
-//
-// The C++ code doesn't use this exact threshold, but it could, as discussed at
-// https://groups.google.com/d/topic/snappy-compression/oGbhsdIJSJ8/discussion
-// The difference between Go (2+inputMargin) and C++ (inputMargin) is purely an
-// optimization. It should not affect the encoded form. This is tested by
-// TestSameEncodingAsCppShortCopies.
-const minNonLiteralBlockSize = 1 + 1 + inputMargin
-
-// MaxEncodedLen returns the maximum length of a snappy block, given its
-// uncompressed length.
-//
-// It will return a negative value if srcLen is too large to encode.
-func MaxEncodedLen(srcLen int) int {
-	n := uint64(srcLen)
-	if n > 0xffffffff {
-		return -1
-	}
-	// Compressed data can be defined as:
-	//    compressed := item* literal*
-	//    item       := literal* copy
-	//
-	// The trailing literal sequence has a space blowup of at most 62/60
-	// since a literal of length 60 needs one tag byte + one extra byte
-	// for length information.
-	//
-	// Item blowup is trickier to measure. Suppose the "copy" op copies
-	// 4 bytes of data. Because of a special check in the encoding code,
-	// we produce a 4-byte copy only if the offset is < 65536. Therefore
-	// the copy op takes 3 bytes to encode, and this type of item leads
-	// to at most the 62/60 blowup for representing literals.
-	//
-	// Suppose the "copy" op copies 5 bytes of data. If the offset is big
-	// enough, it will take 5 bytes to encode the copy op. Therefore the
-	// worst case here is a one-byte literal followed by a five-byte copy.
-	// That is, 6 bytes of input turn into 7 bytes of "compressed" data.
-	//
-	// This last factor dominates the blowup, so the final estimate is:
-	n = 32 + n + n/6
-	if n > 0xffffffff {
-		return -1
-	}
-	return int(n)
-}
-
-var errClosed = errors.New("snappy: Writer is closed")
-
-// NewWriter returns a new Writer that compresses to w.
-//
-// The Writer returned does not buffer writes. There is no need to Flush or
-// Close such a Writer.
-//
-// Deprecated: the Writer returned is not suitable for many small writes, only
-// for few large writes. Use NewBufferedWriter instead, which is efficient
-// regardless of the frequency and shape of the writes, and remember to Close
-// that Writer when done.
-func NewWriter(w io.Writer) *Writer {
-	return &Writer{
-		w:    w,
-		obuf: make([]byte, obufLen),
-	}
-}
-
-// NewBufferedWriter returns a new Writer that compresses to w, using the
-// framing format described at
-// https://github.com/google/snappy/blob/master/framing_format.txt
-//
-// The Writer returned buffers writes. Users must call Close to guarantee all
-// data has been forwarded to the underlying io.Writer. They may also call
-// Flush zero or more times before calling Close.
-func NewBufferedWriter(w io.Writer) *Writer {
-	return &Writer{
-		w:    w,
-		ibuf: make([]byte, 0, maxBlockSize),
-		obuf: make([]byte, obufLen),
-	}
-}
-
-// Writer is an io.Writer than can write Snappy-compressed bytes.
-type Writer struct {
-	w   io.Writer
-	err error
-
-	// ibuf is a buffer for the incoming (uncompressed) bytes.
-	//
-	// Its use is optional. For backwards compatibility, Writers created by the
-	// NewWriter function have ibuf == nil, do not buffer incoming bytes, and
-	// therefore do not need to be Flush'ed or Close'd.
-	ibuf []byte
-
-	// obuf is a buffer for the outgoing (compressed) bytes.
-	obuf []byte
-
-	// wroteStreamHeader is whether we have written the stream header.
-	wroteStreamHeader bool
-}
-
-// Reset discards the writer's state and switches the Snappy writer to write to
-// w. This permits reusing a Writer rather than allocating a new one.
-func (w *Writer) Reset(writer io.Writer) {
-	w.w = writer
-	w.err = nil
-	if w.ibuf != nil {
-		w.ibuf = w.ibuf[:0]
-	}
-	w.wroteStreamHeader = false
-}
-
-// Write satisfies the io.Writer interface.
-func (w *Writer) Write(p []byte) (nRet int, errRet error) {
-	if w.ibuf == nil {
-		// Do not buffer incoming bytes. This does not perform or compress well
-		// if the caller of Writer.Write writes many small slices. This
-		// behavior is therefore deprecated, but still supported for backwards
-		// compatibility with code that doesn't explicitly Flush or Close.
-		return w.write(p)
-	}
-
-	// The remainder of this method is based on bufio.Writer.Write from the
-	// standard library.
-
-	for len(p) > (cap(w.ibuf)-len(w.ibuf)) && w.err == nil {
-		var n int
-		if len(w.ibuf) == 0 {
-			// Large write, empty buffer.
-			// Write directly from p to avoid copy.
-			n, _ = w.write(p)
-		} else {
-			n = copy(w.ibuf[len(w.ibuf):cap(w.ibuf)], p)
-			w.ibuf = w.ibuf[:len(w.ibuf)+n]
-			w.Flush()
-		}
-		nRet += n
-		p = p[n:]
-	}
-	if w.err != nil {
-		return nRet, w.err
-	}
-	n := copy(w.ibuf[len(w.ibuf):cap(w.ibuf)], p)
-	w.ibuf = w.ibuf[:len(w.ibuf)+n]
-	nRet += n
-	return nRet, nil
-}
-
-func (w *Writer) write(p []byte) (nRet int, errRet error) {
-	if w.err != nil {
-		return 0, w.err
-	}
-	for len(p) > 0 {
-		obufStart := len(magicChunk)
-		if !w.wroteStreamHeader {
-			w.wroteStreamHeader = true
-			copy(w.obuf, magicChunk)
-			obufStart = 0
-		}
-
-		var uncompressed []byte
-		if len(p) > maxBlockSize {
-			uncompressed, p = p[:maxBlockSize], p[maxBlockSize:]
-		} else {
-			uncompressed, p = p, nil
-		}
-		checksum := crc(uncompressed)
-
-		// Compress the buffer, discarding the result if the improvement
-		// isn't at least 12.5%.
-		compressed := Encode(w.obuf[obufHeaderLen:], uncompressed)
-		chunkType := uint8(chunkTypeCompressedData)
-		chunkLen := 4 + len(compressed)
-		obufEnd := obufHeaderLen + len(compressed)
-		if len(compressed) >= len(uncompressed)-len(uncompressed)/8 {
-			chunkType = chunkTypeUncompressedData
-			chunkLen = 4 + len(uncompressed)
-			obufEnd = obufHeaderLen
-		}
-
-		// Fill in the per-chunk header that comes before the body.
-		w.obuf[len(magicChunk)+0] = chunkType
-		w.obuf[len(magicChunk)+1] = uint8(chunkLen >> 0)
-		w.obuf[len(magicChunk)+2] = uint8(chunkLen >> 8)
-		w.obuf[len(magicChunk)+3] = uint8(chunkLen >> 16)
-		w.obuf[len(magicChunk)+4] = uint8(checksum >> 0)
-		w.obuf[len(magicChunk)+5] = uint8(checksum >> 8)
-		w.obuf[len(magicChunk)+6] = uint8(checksum >> 16)
-		w.obuf[len(magicChunk)+7] = uint8(checksum >> 24)
-
-		if _, err := w.w.Write(w.obuf[obufStart:obufEnd]); err != nil {
-			w.err = err
-			return nRet, err
-		}
-		if chunkType == chunkTypeUncompressedData {
-			if _, err := w.w.Write(uncompressed); err != nil {
-				w.err = err
-				return nRet, err
-			}
-		}
-		nRet += len(uncompressed)
-	}
-	return nRet, nil
-}
-
-// Flush flushes the Writer to its underlying io.Writer.
-func (w *Writer) Flush() error {
-	if w.err != nil {
-		return w.err
-	}
-	if len(w.ibuf) == 0 {
-		return nil
-	}
-	w.write(w.ibuf)
-	w.ibuf = w.ibuf[:0]
-	return w.err
-}
-
-// Close calls Flush and then closes the Writer.
-func (w *Writer) Close() error {
-	w.Flush()
-	ret := w.err
-	if w.err == nil {
-		w.err = errClosed
-	}
-	return ret
-}
diff --git a/vendor/github.com/golang/snappy/encode_amd64.go b/vendor/github.com/golang/snappy/encode_amd64.go
deleted file mode 100644
index 150d91bc..00000000
--- a/vendor/github.com/golang/snappy/encode_amd64.go
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright 2016 The Snappy-Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build !appengine
-// +build gc
-// +build !noasm
-
-package snappy
-
-// emitLiteral has the same semantics as in encode_other.go.
-//
-//go:noescape
-func emitLiteral(dst, lit []byte) int
-
-// emitCopy has the same semantics as in encode_other.go.
-//
-//go:noescape
-func emitCopy(dst []byte, offset, length int) int
-
-// extendMatch has the same semantics as in encode_other.go.
-//
-//go:noescape
-func extendMatch(src []byte, i, j int) int
-
-// encodeBlock has the same semantics as in encode_other.go.
-//
-//go:noescape
-func encodeBlock(dst, src []byte) (d int)
diff --git a/vendor/github.com/golang/snappy/encode_amd64.s b/vendor/github.com/golang/snappy/encode_amd64.s
deleted file mode 100644
index adfd979f..00000000
--- a/vendor/github.com/golang/snappy/encode_amd64.s
+++ /dev/null
@@ -1,730 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build !appengine
-// +build gc
-// +build !noasm
-
-#include "textflag.h"
-
-// The XXX lines assemble on Go 1.4, 1.5 and 1.7, but not 1.6, due to a
-// Go toolchain regression. See https://github.com/golang/go/issues/15426 and
-// https://github.com/golang/snappy/issues/29
-//
-// As a workaround, the package was built with a known good assembler, and
-// those instructions were disassembled by "objdump -d" to yield the
-//	4e 0f b7 7c 5c 78       movzwq 0x78(%rsp,%r11,2),%r15
-// style comments, in AT&T asm syntax. Note that rsp here is a physical
-// register, not Go/asm's SP pseudo-register (see https://golang.org/doc/asm).
-// The instructions were then encoded as "BYTE $0x.." sequences, which assemble
-// fine on Go 1.6.
-
-// The asm code generally follows the pure Go code in encode_other.go, except
-// where marked with a "!!!".
-
-// ----------------------------------------------------------------------------
-
-// func emitLiteral(dst, lit []byte) int
-//
-// All local variables fit into registers. The register allocation:
-//	- AX	len(lit)
-//	- BX	n
-//	- DX	return value
-//	- DI	&dst[i]
-//	- R10	&lit[0]
-//
-// The 24 bytes of stack space is to call runtime·memmove.
-//
-// The unusual register allocation of local variables, such as R10 for the
-// source pointer, matches the allocation used at the call site in encodeBlock,
-// which makes it easier to manually inline this function.
-TEXT ·emitLiteral(SB), NOSPLIT, $24-56
-	MOVQ dst_base+0(FP), DI
-	MOVQ lit_base+24(FP), R10
-	MOVQ lit_len+32(FP), AX
-	MOVQ AX, DX
-	MOVL AX, BX
-	SUBL $1, BX
-
-	CMPL BX, $60
-	JLT  oneByte
-	CMPL BX, $256
-	JLT  twoBytes
-
-threeBytes:
-	MOVB $0xf4, 0(DI)
-	MOVW BX, 1(DI)
-	ADDQ $3, DI
-	ADDQ $3, DX
-	JMP  memmove
-
-twoBytes:
-	MOVB $0xf0, 0(DI)
-	MOVB BX, 1(DI)
-	ADDQ $2, DI
-	ADDQ $2, DX
-	JMP  memmove
-
-oneByte:
-	SHLB $2, BX
-	MOVB BX, 0(DI)
-	ADDQ $1, DI
-	ADDQ $1, DX
-
-memmove:
-	MOVQ DX, ret+48(FP)
-
-	// copy(dst[i:], lit)
-	//
-	// This means calling runtime·memmove(&dst[i], &lit[0], len(lit)), so we push
-	// DI, R10 and AX as arguments.
-	MOVQ DI, 0(SP)
-	MOVQ R10, 8(SP)
-	MOVQ AX, 16(SP)
-	CALL runtime·memmove(SB)
-	RET
-
-// ----------------------------------------------------------------------------
-
-// func emitCopy(dst []byte, offset, length int) int
-//
-// All local variables fit into registers. The register allocation:
-//	- AX	length
-//	- SI	&dst[0]
-//	- DI	&dst[i]
-//	- R11	offset
-//
-// The unusual register allocation of local variables, such as R11 for the
-// offset, matches the allocation used at the call site in encodeBlock, which
-// makes it easier to manually inline this function.
-TEXT ·emitCopy(SB), NOSPLIT, $0-48
-	MOVQ dst_base+0(FP), DI
-	MOVQ DI, SI
-	MOVQ offset+24(FP), R11
-	MOVQ length+32(FP), AX
-
-loop0:
-	// for length >= 68 { etc }
-	CMPL AX, $68
-	JLT  step1
-
-	// Emit a length 64 copy, encoded as 3 bytes.
-	MOVB $0xfe, 0(DI)
-	MOVW R11, 1(DI)
-	ADDQ $3, DI
-	SUBL $64, AX
-	JMP  loop0
-
-step1:
-	// if length > 64 { etc }
-	CMPL AX, $64
-	JLE  step2
-
-	// Emit a length 60 copy, encoded as 3 bytes.
-	MOVB $0xee, 0(DI)
-	MOVW R11, 1(DI)
-	ADDQ $3, DI
-	SUBL $60, AX
-
-step2:
-	// if length >= 12 || offset >= 2048 { goto step3 }
-	CMPL AX, $12
-	JGE  step3
-	CMPL R11, $2048
-	JGE  step3
-
-	// Emit the remaining copy, encoded as 2 bytes.
-	MOVB R11, 1(DI)
-	SHRL $8, R11
-	SHLB $5, R11
-	SUBB $4, AX
-	SHLB $2, AX
-	ORB  AX, R11
-	ORB  $1, R11
-	MOVB R11, 0(DI)
-	ADDQ $2, DI
-
-	// Return the number of bytes written.
-	SUBQ SI, DI
-	MOVQ DI, ret+40(FP)
-	RET
-
-step3:
-	// Emit the remaining copy, encoded as 3 bytes.
-	SUBL $1, AX
-	SHLB $2, AX
-	ORB  $2, AX
-	MOVB AX, 0(DI)
-	MOVW R11, 1(DI)
-	ADDQ $3, DI
-
-	// Return the number of bytes written.
-	SUBQ SI, DI
-	MOVQ DI, ret+40(FP)
-	RET
-
-// ----------------------------------------------------------------------------
-
-// func extendMatch(src []byte, i, j int) int
-//
-// All local variables fit into registers. The register allocation:
-//	- DX	&src[0]
-//	- SI	&src[j]
-//	- R13	&src[len(src) - 8]
-//	- R14	&src[len(src)]
-//	- R15	&src[i]
-//
-// The unusual register allocation of local variables, such as R15 for a source
-// pointer, matches the allocation used at the call site in encodeBlock, which
-// makes it easier to manually inline this function.
-TEXT ·extendMatch(SB), NOSPLIT, $0-48
-	MOVQ src_base+0(FP), DX
-	MOVQ src_len+8(FP), R14
-	MOVQ i+24(FP), R15
-	MOVQ j+32(FP), SI
-	ADDQ DX, R14
-	ADDQ DX, R15
-	ADDQ DX, SI
-	MOVQ R14, R13
-	SUBQ $8, R13
-
-cmp8:
-	// As long as we are 8 or more bytes before the end of src, we can load and
-	// compare 8 bytes at a time. If those 8 bytes are equal, repeat.
-	CMPQ SI, R13
-	JA   cmp1
-	MOVQ (R15), AX
-	MOVQ (SI), BX
-	CMPQ AX, BX
-	JNE  bsf
-	ADDQ $8, R15
-	ADDQ $8, SI
-	JMP  cmp8
-
-bsf:
-	// If those 8 bytes were not equal, XOR the two 8 byte values, and return
-	// the index of the first byte that differs. The BSF instruction finds the
-	// least significant 1 bit, the amd64 architecture is little-endian, and
-	// the shift by 3 converts a bit index to a byte index.
-	XORQ AX, BX
-	BSFQ BX, BX
-	SHRQ $3, BX
-	ADDQ BX, SI
-
-	// Convert from &src[ret] to ret.
-	SUBQ DX, SI
-	MOVQ SI, ret+40(FP)
-	RET
-
-cmp1:
-	// In src's tail, compare 1 byte at a time.
-	CMPQ SI, R14
-	JAE  extendMatchEnd
-	MOVB (R15), AX
-	MOVB (SI), BX
-	CMPB AX, BX
-	JNE  extendMatchEnd
-	ADDQ $1, R15
-	ADDQ $1, SI
-	JMP  cmp1
-
-extendMatchEnd:
-	// Convert from &src[ret] to ret.
-	SUBQ DX, SI
-	MOVQ SI, ret+40(FP)
-	RET
-
-// ----------------------------------------------------------------------------
-
-// func encodeBlock(dst, src []byte) (d int)
-//
-// All local variables fit into registers, other than "var table". The register
-// allocation:
-//	- AX	.	.
-//	- BX	.	.
-//	- CX	56	shift (note that amd64 shifts by non-immediates must use CX).
-//	- DX	64	&src[0], tableSize
-//	- SI	72	&src[s]
-//	- DI	80	&dst[d]
-//	- R9	88	sLimit
-//	- R10	.	&src[nextEmit]
-//	- R11	96	prevHash, currHash, nextHash, offset
-//	- R12	104	&src[base], skip
-//	- R13	.	&src[nextS], &src[len(src) - 8]
-//	- R14	.	len(src), bytesBetweenHashLookups, &src[len(src)], x
-//	- R15	112	candidate
-//
-// The second column (56, 64, etc) is the stack offset to spill the registers
-// when calling other functions. We could pack this slightly tighter, but it's
-// simpler to have a dedicated spill map independent of the function called.
-//
-// "var table [maxTableSize]uint16" takes up 32768 bytes of stack space. An
-// extra 56 bytes, to call other functions, and an extra 64 bytes, to spill
-// local variables (registers) during calls gives 32768 + 56 + 64 = 32888.
-TEXT ·encodeBlock(SB), 0, $32888-56
-	MOVQ dst_base+0(FP), DI
-	MOVQ src_base+24(FP), SI
-	MOVQ src_len+32(FP), R14
-
-	// shift, tableSize := uint32(32-8), 1<<8
-	MOVQ $24, CX
-	MOVQ $256, DX
-
-calcShift:
-	// for ; tableSize < maxTableSize && tableSize < len(src); tableSize *= 2 {
-	//	shift--
-	// }
-	CMPQ DX, $16384
-	JGE  varTable
-	CMPQ DX, R14
-	JGE  varTable
-	SUBQ $1, CX
-	SHLQ $1, DX
-	JMP  calcShift
-
-varTable:
-	// var table [maxTableSize]uint16
-	//
-	// In the asm code, unlike the Go code, we can zero-initialize only the
-	// first tableSize elements. Each uint16 element is 2 bytes and each MOVOU
-	// writes 16 bytes, so we can do only tableSize/8 writes instead of the
-	// 2048 writes that would zero-initialize all of table's 32768 bytes.
-	SHRQ $3, DX
-	LEAQ table-32768(SP), BX
-	PXOR X0, X0
-
-memclr:
-	MOVOU X0, 0(BX)
-	ADDQ  $16, BX
-	SUBQ  $1, DX
-	JNZ   memclr
-
-	// !!! DX = &src[0]
-	MOVQ SI, DX
-
-	// sLimit := len(src) - inputMargin
-	MOVQ R14, R9
-	SUBQ $15, R9
-
-	// !!! Pre-emptively spill CX, DX and R9 to the stack. Their values don't
-	// change for the rest of the function.
-	MOVQ CX, 56(SP)
-	MOVQ DX, 64(SP)
-	MOVQ R9, 88(SP)
-
-	// nextEmit := 0
-	MOVQ DX, R10
-
-	// s := 1
-	ADDQ $1, SI
-
-	// nextHash := hash(load32(src, s), shift)
-	MOVL  0(SI), R11
-	IMULL $0x1e35a7bd, R11
-	SHRL  CX, R11
-
-outer:
-	// for { etc }
-
-	// skip := 32
-	MOVQ $32, R12
-
-	// nextS := s
-	MOVQ SI, R13
-
-	// candidate := 0
-	MOVQ $0, R15
-
-inner0:
-	// for { etc }
-
-	// s := nextS
-	MOVQ R13, SI
-
-	// bytesBetweenHashLookups := skip >> 5
-	MOVQ R12, R14
-	SHRQ $5, R14
-
-	// nextS = s + bytesBetweenHashLookups
-	ADDQ R14, R13
-
-	// skip += bytesBetweenHashLookups
-	ADDQ R14, R12
-
-	// if nextS > sLimit { goto emitRemainder }
-	MOVQ R13, AX
-	SUBQ DX, AX
-	CMPQ AX, R9
-	JA   emitRemainder
-
-	// candidate = int(table[nextHash])
-	// XXX: MOVWQZX table-32768(SP)(R11*2), R15
-	// XXX: 4e 0f b7 7c 5c 78       movzwq 0x78(%rsp,%r11,2),%r15
-	BYTE $0x4e
-	BYTE $0x0f
-	BYTE $0xb7
-	BYTE $0x7c
-	BYTE $0x5c
-	BYTE $0x78
-
-	// table[nextHash] = uint16(s)
-	MOVQ SI, AX
-	SUBQ DX, AX
-
-	// XXX: MOVW AX, table-32768(SP)(R11*2)
-	// XXX: 66 42 89 44 5c 78       mov    %ax,0x78(%rsp,%r11,2)
-	BYTE $0x66
-	BYTE $0x42
-	BYTE $0x89
-	BYTE $0x44
-	BYTE $0x5c
-	BYTE $0x78
-
-	// nextHash = hash(load32(src, nextS), shift)
-	MOVL  0(R13), R11
-	IMULL $0x1e35a7bd, R11
-	SHRL  CX, R11
-
-	// if load32(src, s) != load32(src, candidate) { continue } break
-	MOVL 0(SI), AX
-	MOVL (DX)(R15*1), BX
-	CMPL AX, BX
-	JNE  inner0
-
-fourByteMatch:
-	// As per the encode_other.go code:
-	//
-	// A 4-byte match has been found. We'll later see etc.
-
-	// !!! Jump to a fast path for short (<= 16 byte) literals. See the comment
-	// on inputMargin in encode.go.
-	MOVQ SI, AX
-	SUBQ R10, AX
-	CMPQ AX, $16
-	JLE  emitLiteralFastPath
-
-	// ----------------------------------------
-	// Begin inline of the emitLiteral call.
-	//
-	// d += emitLiteral(dst[d:], src[nextEmit:s])
-
-	MOVL AX, BX
-	SUBL $1, BX
-
-	CMPL BX, $60
-	JLT  inlineEmitLiteralOneByte
-	CMPL BX, $256
-	JLT  inlineEmitLiteralTwoBytes
-
-inlineEmitLiteralThreeBytes:
-	MOVB $0xf4, 0(DI)
-	MOVW BX, 1(DI)
-	ADDQ $3, DI
-	JMP  inlineEmitLiteralMemmove
-
-inlineEmitLiteralTwoBytes:
-	MOVB $0xf0, 0(DI)
-	MOVB BX, 1(DI)
-	ADDQ $2, DI
-	JMP  inlineEmitLiteralMemmove
-
-inlineEmitLiteralOneByte:
-	SHLB $2, BX
-	MOVB BX, 0(DI)
-	ADDQ $1, DI
-
-inlineEmitLiteralMemmove:
-	// Spill local variables (registers) onto the stack; call; unspill.
-	//
-	// copy(dst[i:], lit)
-	//
-	// This means calling runtime·memmove(&dst[i], &lit[0], len(lit)), so we push
-	// DI, R10 and AX as arguments.
-	MOVQ DI, 0(SP)
-	MOVQ R10, 8(SP)
-	MOVQ AX, 16(SP)
-	ADDQ AX, DI              // Finish the "d +=" part of "d += emitLiteral(etc)".
-	MOVQ SI, 72(SP)
-	MOVQ DI, 80(SP)
-	MOVQ R15, 112(SP)
-	CALL runtime·memmove(SB)
-	MOVQ 56(SP), CX
-	MOVQ 64(SP), DX
-	MOVQ 72(SP), SI
-	MOVQ 80(SP), DI
-	MOVQ 88(SP), R9
-	MOVQ 112(SP), R15
-	JMP  inner1
-
-inlineEmitLiteralEnd:
-	// End inline of the emitLiteral call.
-	// ----------------------------------------
-
-emitLiteralFastPath:
-	// !!! Emit the 1-byte encoding "uint8(len(lit)-1)<<2".
-	MOVB AX, BX
-	SUBB $1, BX
-	SHLB $2, BX
-	MOVB BX, (DI)
-	ADDQ $1, DI
-
-	// !!! Implement the copy from lit to dst as a 16-byte load and store.
-	// (Encode's documentation says that dst and src must not overlap.)
-	//
-	// This always copies 16 bytes, instead of only len(lit) bytes, but that's
-	// OK. Subsequent iterations will fix up the overrun.
-	//
-	// Note that on amd64, it is legal and cheap to issue unaligned 8-byte or
-	// 16-byte loads and stores. This technique probably wouldn't be as
-	// effective on architectures that are fussier about alignment.
-	MOVOU 0(R10), X0
-	MOVOU X0, 0(DI)
-	ADDQ  AX, DI
-
-inner1:
-	// for { etc }
-
-	// base := s
-	MOVQ SI, R12
-
-	// !!! offset := base - candidate
-	MOVQ R12, R11
-	SUBQ R15, R11
-	SUBQ DX, R11
-
-	// ----------------------------------------
-	// Begin inline of the extendMatch call.
-	//
-	// s = extendMatch(src, candidate+4, s+4)
-
-	// !!! R14 = &src[len(src)]
-	MOVQ src_len+32(FP), R14
-	ADDQ DX, R14
-
-	// !!! R13 = &src[len(src) - 8]
-	MOVQ R14, R13
-	SUBQ $8, R13
-
-	// !!! R15 = &src[candidate + 4]
-	ADDQ $4, R15
-	ADDQ DX, R15
-
-	// !!! s += 4
-	ADDQ $4, SI
-
-inlineExtendMatchCmp8:
-	// As long as we are 8 or more bytes before the end of src, we can load and
-	// compare 8 bytes at a time. If those 8 bytes are equal, repeat.
-	CMPQ SI, R13
-	JA   inlineExtendMatchCmp1
-	MOVQ (R15), AX
-	MOVQ (SI), BX
-	CMPQ AX, BX
-	JNE  inlineExtendMatchBSF
-	ADDQ $8, R15
-	ADDQ $8, SI
-	JMP  inlineExtendMatchCmp8
-
-inlineExtendMatchBSF:
-	// If those 8 bytes were not equal, XOR the two 8 byte values, and return
-	// the index of the first byte that differs. The BSF instruction finds the
-	// least significant 1 bit, the amd64 architecture is little-endian, and
-	// the shift by 3 converts a bit index to a byte index.
-	XORQ AX, BX
-	BSFQ BX, BX
-	SHRQ $3, BX
-	ADDQ BX, SI
-	JMP  inlineExtendMatchEnd
-
-inlineExtendMatchCmp1:
-	// In src's tail, compare 1 byte at a time.
-	CMPQ SI, R14
-	JAE  inlineExtendMatchEnd
-	MOVB (R15), AX
-	MOVB (SI), BX
-	CMPB AX, BX
-	JNE  inlineExtendMatchEnd
-	ADDQ $1, R15
-	ADDQ $1, SI
-	JMP  inlineExtendMatchCmp1
-
-inlineExtendMatchEnd:
-	// End inline of the extendMatch call.
-	// ----------------------------------------
-
-	// ----------------------------------------
-	// Begin inline of the emitCopy call.
-	//
-	// d += emitCopy(dst[d:], base-candidate, s-base)
-
-	// !!! length := s - base
-	MOVQ SI, AX
-	SUBQ R12, AX
-
-inlineEmitCopyLoop0:
-	// for length >= 68 { etc }
-	CMPL AX, $68
-	JLT  inlineEmitCopyStep1
-
-	// Emit a length 64 copy, encoded as 3 bytes.
-	MOVB $0xfe, 0(DI)
-	MOVW R11, 1(DI)
-	ADDQ $3, DI
-	SUBL $64, AX
-	JMP  inlineEmitCopyLoop0
-
-inlineEmitCopyStep1:
-	// if length > 64 { etc }
-	CMPL AX, $64
-	JLE  inlineEmitCopyStep2
-
-	// Emit a length 60 copy, encoded as 3 bytes.
-	MOVB $0xee, 0(DI)
-	MOVW R11, 1(DI)
-	ADDQ $3, DI
-	SUBL $60, AX
-
-inlineEmitCopyStep2:
-	// if length >= 12 || offset >= 2048 { goto inlineEmitCopyStep3 }
-	CMPL AX, $12
-	JGE  inlineEmitCopyStep3
-	CMPL R11, $2048
-	JGE  inlineEmitCopyStep3
-
-	// Emit the remaining copy, encoded as 2 bytes.
-	MOVB R11, 1(DI)
-	SHRL $8, R11
-	SHLB $5, R11
-	SUBB $4, AX
-	SHLB $2, AX
-	ORB  AX, R11
-	ORB  $1, R11
-	MOVB R11, 0(DI)
-	ADDQ $2, DI
-	JMP  inlineEmitCopyEnd
-
-inlineEmitCopyStep3:
-	// Emit the remaining copy, encoded as 3 bytes.
-	SUBL $1, AX
-	SHLB $2, AX
-	ORB  $2, AX
-	MOVB AX, 0(DI)
-	MOVW R11, 1(DI)
-	ADDQ $3, DI
-
-inlineEmitCopyEnd:
-	// End inline of the emitCopy call.
-	// ----------------------------------------
-
-	// nextEmit = s
-	MOVQ SI, R10
-
-	// if s >= sLimit { goto emitRemainder }
-	MOVQ SI, AX
-	SUBQ DX, AX
-	CMPQ AX, R9
-	JAE  emitRemainder
-
-	// As per the encode_other.go code:
-	//
-	// We could immediately etc.
-
-	// x := load64(src, s-1)
-	MOVQ -1(SI), R14
-
-	// prevHash := hash(uint32(x>>0), shift)
-	MOVL  R14, R11
-	IMULL $0x1e35a7bd, R11
-	SHRL  CX, R11
-
-	// table[prevHash] = uint16(s-1)
-	MOVQ SI, AX
-	SUBQ DX, AX
-	SUBQ $1, AX
-
-	// XXX: MOVW AX, table-32768(SP)(R11*2)
-	// XXX: 66 42 89 44 5c 78       mov    %ax,0x78(%rsp,%r11,2)
-	BYTE $0x66
-	BYTE $0x42
-	BYTE $0x89
-	BYTE $0x44
-	BYTE $0x5c
-	BYTE $0x78
-
-	// currHash := hash(uint32(x>>8), shift)
-	SHRQ  $8, R14
-	MOVL  R14, R11
-	IMULL $0x1e35a7bd, R11
-	SHRL  CX, R11
-
-	// candidate = int(table[currHash])
-	// XXX: MOVWQZX table-32768(SP)(R11*2), R15
-	// XXX: 4e 0f b7 7c 5c 78       movzwq 0x78(%rsp,%r11,2),%r15
-	BYTE $0x4e
-	BYTE $0x0f
-	BYTE $0xb7
-	BYTE $0x7c
-	BYTE $0x5c
-	BYTE $0x78
-
-	// table[currHash] = uint16(s)
-	ADDQ $1, AX
-
-	// XXX: MOVW AX, table-32768(SP)(R11*2)
-	// XXX: 66 42 89 44 5c 78       mov    %ax,0x78(%rsp,%r11,2)
-	BYTE $0x66
-	BYTE $0x42
-	BYTE $0x89
-	BYTE $0x44
-	BYTE $0x5c
-	BYTE $0x78
-
-	// if uint32(x>>8) == load32(src, candidate) { continue }
-	MOVL (DX)(R15*1), BX
-	CMPL R14, BX
-	JEQ  inner1
-
-	// nextHash = hash(uint32(x>>16), shift)
-	SHRQ  $8, R14
-	MOVL  R14, R11
-	IMULL $0x1e35a7bd, R11
-	SHRL  CX, R11
-
-	// s++
-	ADDQ $1, SI
-
-	// break out of the inner1 for loop, i.e. continue the outer loop.
-	JMP outer
-
-emitRemainder:
-	// if nextEmit < len(src) { etc }
-	MOVQ src_len+32(FP), AX
-	ADDQ DX, AX
-	CMPQ R10, AX
-	JEQ  encodeBlockEnd
-
-	// d += emitLiteral(dst[d:], src[nextEmit:])
-	//
-	// Push args.
-	MOVQ DI, 0(SP)
-	MOVQ $0, 8(SP)   // Unnecessary, as the callee ignores it, but conservative.
-	MOVQ $0, 16(SP)  // Unnecessary, as the callee ignores it, but conservative.
-	MOVQ R10, 24(SP)
-	SUBQ R10, AX
-	MOVQ AX, 32(SP)
-	MOVQ AX, 40(SP)  // Unnecessary, as the callee ignores it, but conservative.
-
-	// Spill local variables (registers) onto the stack; call; unspill.
-	MOVQ DI, 80(SP)
-	CALL ·emitLiteral(SB)
-	MOVQ 80(SP), DI
-
-	// Finish the "d +=" part of "d += emitLiteral(etc)".
-	ADDQ 48(SP), DI
-
-encodeBlockEnd:
-	MOVQ dst_base+0(FP), AX
-	SUBQ AX, DI
-	MOVQ DI, d+48(FP)
-	RET
diff --git a/vendor/github.com/golang/snappy/encode_other.go b/vendor/github.com/golang/snappy/encode_other.go
deleted file mode 100644
index dbcae905..00000000
--- a/vendor/github.com/golang/snappy/encode_other.go
+++ /dev/null
@@ -1,238 +0,0 @@
-// Copyright 2016 The Snappy-Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build !amd64 appengine !gc noasm
-
-package snappy
-
-func load32(b []byte, i int) uint32 {
-	b = b[i : i+4 : len(b)] // Help the compiler eliminate bounds checks on the next line.
-	return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
-}
-
-func load64(b []byte, i int) uint64 {
-	b = b[i : i+8 : len(b)] // Help the compiler eliminate bounds checks on the next line.
-	return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
-		uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
-}
-
-// emitLiteral writes a literal chunk and returns the number of bytes written.
-//
-// It assumes that:
-//	dst is long enough to hold the encoded bytes
-//	1 <= len(lit) && len(lit) <= 65536
-func emitLiteral(dst, lit []byte) int {
-	i, n := 0, uint(len(lit)-1)
-	switch {
-	case n < 60:
-		dst[0] = uint8(n)<<2 | tagLiteral
-		i = 1
-	case n < 1<<8:
-		dst[0] = 60<<2 | tagLiteral
-		dst[1] = uint8(n)
-		i = 2
-	default:
-		dst[0] = 61<<2 | tagLiteral
-		dst[1] = uint8(n)
-		dst[2] = uint8(n >> 8)
-		i = 3
-	}
-	return i + copy(dst[i:], lit)
-}
-
-// emitCopy writes a copy chunk and returns the number of bytes written.
-//
-// It assumes that:
-//	dst is long enough to hold the encoded bytes
-//	1 <= offset && offset <= 65535
-//	4 <= length && length <= 65535
-func emitCopy(dst []byte, offset, length int) int {
-	i := 0
-	// The maximum length for a single tagCopy1 or tagCopy2 op is 64 bytes. The
-	// threshold for this loop is a little higher (at 68 = 64 + 4), and the
-	// length emitted down below is is a little lower (at 60 = 64 - 4), because
-	// it's shorter to encode a length 67 copy as a length 60 tagCopy2 followed
-	// by a length 7 tagCopy1 (which encodes as 3+2 bytes) than to encode it as
-	// a length 64 tagCopy2 followed by a length 3 tagCopy2 (which encodes as
-	// 3+3 bytes). The magic 4 in the 64±4 is because the minimum length for a
-	// tagCopy1 op is 4 bytes, which is why a length 3 copy has to be an
-	// encodes-as-3-bytes tagCopy2 instead of an encodes-as-2-bytes tagCopy1.
-	for length >= 68 {
-		// Emit a length 64 copy, encoded as 3 bytes.
-		dst[i+0] = 63<<2 | tagCopy2
-		dst[i+1] = uint8(offset)
-		dst[i+2] = uint8(offset >> 8)
-		i += 3
-		length -= 64
-	}
-	if length > 64 {
-		// Emit a length 60 copy, encoded as 3 bytes.
-		dst[i+0] = 59<<2 | tagCopy2
-		dst[i+1] = uint8(offset)
-		dst[i+2] = uint8(offset >> 8)
-		i += 3
-		length -= 60
-	}
-	if length >= 12 || offset >= 2048 {
-		// Emit the remaining copy, encoded as 3 bytes.
-		dst[i+0] = uint8(length-1)<<2 | tagCopy2
-		dst[i+1] = uint8(offset)
-		dst[i+2] = uint8(offset >> 8)
-		return i + 3
-	}
-	// Emit the remaining copy, encoded as 2 bytes.
-	dst[i+0] = uint8(offset>>8)<<5 | uint8(length-4)<<2 | tagCopy1
-	dst[i+1] = uint8(offset)
-	return i + 2
-}
-
-// extendMatch returns the largest k such that k <= len(src) and that
-// src[i:i+k-j] and src[j:k] have the same contents.
-//
-// It assumes that:
-//	0 <= i && i < j && j <= len(src)
-func extendMatch(src []byte, i, j int) int {
-	for ; j < len(src) && src[i] == src[j]; i, j = i+1, j+1 {
-	}
-	return j
-}
-
-func hash(u, shift uint32) uint32 {
-	return (u * 0x1e35a7bd) >> shift
-}
-
-// encodeBlock encodes a non-empty src to a guaranteed-large-enough dst. It
-// assumes that the varint-encoded length of the decompressed bytes has already
-// been written.
-//
-// It also assumes that:
-//	len(dst) >= MaxEncodedLen(len(src)) &&
-// 	minNonLiteralBlockSize <= len(src) && len(src) <= maxBlockSize
-func encodeBlock(dst, src []byte) (d int) {
-	// Initialize the hash table. Its size ranges from 1<<8 to 1<<14 inclusive.
-	// The table element type is uint16, as s < sLimit and sLimit < len(src)
-	// and len(src) <= maxBlockSize and maxBlockSize == 65536.
-	const (
-		maxTableSize = 1 << 14
-		// tableMask is redundant, but helps the compiler eliminate bounds
-		// checks.
-		tableMask = maxTableSize - 1
-	)
-	shift := uint32(32 - 8)
-	for tableSize := 1 << 8; tableSize < maxTableSize && tableSize < len(src); tableSize *= 2 {
-		shift--
-	}
-	// In Go, all array elements are zero-initialized, so there is no advantage
-	// to a smaller tableSize per se. However, it matches the C++ algorithm,
-	// and in the asm versions of this code, we can get away with zeroing only
-	// the first tableSize elements.
-	var table [maxTableSize]uint16
-
-	// sLimit is when to stop looking for offset/length copies. The inputMargin
-	// lets us use a fast path for emitLiteral in the main loop, while we are
-	// looking for copies.
-	sLimit := len(src) - inputMargin
-
-	// nextEmit is where in src the next emitLiteral should start from.
-	nextEmit := 0
-
-	// The encoded form must start with a literal, as there are no previous
-	// bytes to copy, so we start looking for hash matches at s == 1.
-	s := 1
-	nextHash := hash(load32(src, s), shift)
-
-	for {
-		// Copied from the C++ snappy implementation:
-		//
-		// Heuristic match skipping: If 32 bytes are scanned with no matches
-		// found, start looking only at every other byte. If 32 more bytes are
-		// scanned (or skipped), look at every third byte, etc.. When a match
-		// is found, immediately go back to looking at every byte. This is a
-		// small loss (~5% performance, ~0.1% density) for compressible data
-		// due to more bookkeeping, but for non-compressible data (such as
-		// JPEG) it's a huge win since the compressor quickly "realizes" the
-		// data is incompressible and doesn't bother looking for matches
-		// everywhere.
-		//
-		// The "skip" variable keeps track of how many bytes there are since
-		// the last match; dividing it by 32 (ie. right-shifting by five) gives
-		// the number of bytes to move ahead for each iteration.
-		skip := 32
-
-		nextS := s
-		candidate := 0
-		for {
-			s = nextS
-			bytesBetweenHashLookups := skip >> 5
-			nextS = s + bytesBetweenHashLookups
-			skip += bytesBetweenHashLookups
-			if nextS > sLimit {
-				goto emitRemainder
-			}
-			candidate = int(table[nextHash&tableMask])
-			table[nextHash&tableMask] = uint16(s)
-			nextHash = hash(load32(src, nextS), shift)
-			if load32(src, s) == load32(src, candidate) {
-				break
-			}
-		}
-
-		// A 4-byte match has been found. We'll later see if more than 4 bytes
-		// match. But, prior to the match, src[nextEmit:s] are unmatched. Emit
-		// them as literal bytes.
-		d += emitLiteral(dst[d:], src[nextEmit:s])
-
-		// Call emitCopy, and then see if another emitCopy could be our next
-		// move. Repeat until we find no match for the input immediately after
-		// what was consumed by the last emitCopy call.
-		//
-		// If we exit this loop normally then we need to call emitLiteral next,
-		// though we don't yet know how big the literal will be. We handle that
-		// by proceeding to the next iteration of the main loop. We also can
-		// exit this loop via goto if we get close to exhausting the input.
-		for {
-			// Invariant: we have a 4-byte match at s, and no need to emit any
-			// literal bytes prior to s.
-			base := s
-
-			// Extend the 4-byte match as long as possible.
-			//
-			// This is an inlined version of:
-			//	s = extendMatch(src, candidate+4, s+4)
-			s += 4
-			for i := candidate + 4; s < len(src) && src[i] == src[s]; i, s = i+1, s+1 {
-			}
-
-			d += emitCopy(dst[d:], base-candidate, s-base)
-			nextEmit = s
-			if s >= sLimit {
-				goto emitRemainder
-			}
-
-			// We could immediately start working at s now, but to improve
-			// compression we first update the hash table at s-1 and at s. If
-			// another emitCopy is not our next move, also calculate nextHash
-			// at s+1. At least on GOARCH=amd64, these three hash calculations
-			// are faster as one load64 call (with some shifts) instead of
-			// three load32 calls.
-			x := load64(src, s-1)
-			prevHash := hash(uint32(x>>0), shift)
-			table[prevHash&tableMask] = uint16(s - 1)
-			currHash := hash(uint32(x>>8), shift)
-			candidate = int(table[currHash&tableMask])
-			table[currHash&tableMask] = uint16(s)
-			if uint32(x>>8) != load32(src, candidate) {
-				nextHash = hash(uint32(x>>16), shift)
-				s++
-				break
-			}
-		}
-	}
-
-emitRemainder:
-	if nextEmit < len(src) {
-		d += emitLiteral(dst[d:], src[nextEmit:])
-	}
-	return d
-}
diff --git a/vendor/github.com/golang/snappy/snappy.go b/vendor/github.com/golang/snappy/snappy.go
deleted file mode 100644
index bb54bf62..00000000
--- a/vendor/github.com/golang/snappy/snappy.go
+++ /dev/null
@@ -1,84 +0,0 @@
-// Copyright 2011 The Snappy-Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package snappy implements the snappy block-based compression format.
-// It aims for very high speeds and reasonable compression.
-//
-// The C++ snappy implementation is at https://github.com/google/snappy
-package snappy
-
-import (
-	"hash/crc32"
-)
-
-/*
-Each encoded block begins with the varint-encoded length of the decoded data,
-followed by a sequence of chunks. Chunks begin and end on byte boundaries. The
-first byte of each chunk is broken into its 2 least and 6 most significant bits
-called l and m: l ranges in [0, 4) and m ranges in [0, 64). l is the chunk tag.
-Zero means a literal tag. All other values mean a copy tag.
-
-For literal tags:
-  - If m < 60, the next 1 + m bytes are literal bytes.
-  - Otherwise, let n be the little-endian unsigned integer denoted by the next
-    m - 59 bytes. The next 1 + n bytes after that are literal bytes.
-
-For copy tags, length bytes are copied from offset bytes ago, in the style of
-Lempel-Ziv compression algorithms. In particular:
-  - For l == 1, the offset ranges in [0, 1<<11) and the length in [4, 12).
-    The length is 4 + the low 3 bits of m. The high 3 bits of m form bits 8-10
-    of the offset. The next byte is bits 0-7 of the offset.
-  - For l == 2, the offset ranges in [0, 1<<16) and the length in [1, 65).
-    The length is 1 + m. The offset is the little-endian unsigned integer
-    denoted by the next 2 bytes.
-  - For l == 3, this tag is a legacy format that is no longer supported.
-*/
-const (
-	tagLiteral = 0x00
-	tagCopy1   = 0x01
-	tagCopy2   = 0x02
-	tagCopy4   = 0x03
-)
-
-const (
-	checksumSize    = 4
-	chunkHeaderSize = 4
-	magicChunk      = "\xff\x06\x00\x00" + magicBody
-	magicBody       = "sNaPpY"
-
-	// maxBlockSize is the maximum size of the input to encodeBlock. It is not
-	// part of the wire format per se, but some parts of the encoder assume
-	// that an offset fits into a uint16.
-	//
-	// Also, for the framing format (Writer type instead of Encode function),
-	// https://github.com/google/snappy/blob/master/framing_format.txt says
-	// that "the uncompressed data in a chunk must be no longer than 65536
-	// bytes".
-	maxBlockSize = 65536
-
-	// maxEncodedLenOfMaxBlockSize equals MaxEncodedLen(maxBlockSize), but is
-	// hard coded to be a const instead of a variable, so that obufLen can also
-	// be a const. Their equivalence is confirmed by
-	// TestMaxEncodedLenOfMaxBlockSize.
-	maxEncodedLenOfMaxBlockSize = 76490
-
-	obufHeaderLen = len(magicChunk) + checksumSize + chunkHeaderSize
-	obufLen       = obufHeaderLen + maxEncodedLenOfMaxBlockSize
-)
-
-const (
-	chunkTypeCompressedData   = 0x00
-	chunkTypeUncompressedData = 0x01
-	chunkTypePadding          = 0xfe
-	chunkTypeStreamIdentifier = 0xff
-)
-
-var crcTable = crc32.MakeTable(crc32.Castagnoli)
-
-// crc implements the checksum specified in section 3 of
-// https://github.com/google/snappy/blob/master/framing_format.txt
-func crc(b []byte) uint32 {
-	c := crc32.Update(0, crcTable, b)
-	return uint32(c>>15|c<<17) + 0xa282ead8
-}