Switch preliminary.istio.io to 1.2

data/args.yml

@@ -1,8 +1,8 @@
 # The primary Istio version identifier the docs describe, used throughout the site
-version: "1.1"
+version: "1.2"
 
 # The full Istio version identifier the docs describe
-full_version: "1.1.0"
+full_version: "1.2.0"
 
 # The year to display in copyright notices
 copyright_year: 2019
@@ -20,7 +20,7 @@ archive_date: YYYY-MM-DD
 archive_search_refinement: "V1.1"
 
 # GitHub branch names used when the docs have links to GitHub
-source_branch_name: release-1.1
+source_branch_name: master
 doc_branch_name: master
 
 # The list of supported versions described by the docs

data/releases.yml

@@ -1,7 +1,9 @@
-- name: "1.1"
+- name: "1.2"
   url: https://preliminary.istio.io
-- name: "1.0"
+- name: "1.1"
   url: https://istio.io
+- name: "1.0"
+  url: https://archive.istio.io/v1.0
 - name: "0.8"
   url: https://archive.istio.io/v0.8
 - name: "0.7"