Update to go1.8.3

Same version as k8s. Full godeps update will go out
in separate commit.

.travis.yml

@@ -7,7 +7,7 @@ language: go
 
 matrix:
   include:
-    - go: 1.7
+    - go: 1.8
 
 install:
   - mkdir -p $HOME/gopath/src/k8s.io

cluster-autoscaler/Godeps/Godeps.json

@@ -1,6 +1,6 @@
 {
 	"ImportPath": "k8s.io/contrib/cluster-autoscaler",
-	"GoVersion": "go1.7",
+	"GoVersion": "go1.8",
 	"GodepVersion": "v79",
 	"Packages": [
 		"./..."

cluster-autoscaler/builder/Dockerfile

@@ -18,9 +18,9 @@ MAINTAINER Marcin Wielgus "mwielgus@google.com"
 RUN apt-get update && apt-get install --yes git wget make\
   && apt-get clean \
   && rm -rf /var/lib/apt/lists/*
-RUN wget https://storage.googleapis.com/golang/go1.7.5.linux-amd64.tar.gz \
-   && tar -xvf go1.7.5.linux-amd64.tar.gz \
-   && rm go1.7.5.linux-amd64.tar.gz
+RUN wget https://storage.googleapis.com/golang/go1.8.3.linux-amd64.tar.gz \
+   && tar -xvf go1.8.3.linux-amd64.tar.gz \
+   && rm go1.8.3.linux-amd64.tar.gz
 
 ENV GOROOT /go
 ENV GOPATH /gopath/

hack/verify-gofmt.sh

@@ -24,7 +24,7 @@ KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..
 
 GO_VERSION=($(go version))
 
-if [[ -z $(echo "${GO_VERSION[2]}" | grep -E 'go1.2|go1.3|go1.4|go1.5|go1.6|go1.7') ]]; then
+if [[ -z $(echo "${GO_VERSION[2]}" | grep -E 'go1.2|go1.3|go1.4|go1.5|go1.6|go1.7|go1.8') ]]; then
   echo "Unknown go version '${GO_VERSION}', skipping gofmt."
   exit 1
 fi