Merge pull request #35 from PolymerElements/auto-revert-chrome-beta

Revert Travis Chrome beta to stable

.travis.yml

@@ -1,10 +1,8 @@
 language: node_js
 sudo: required
 before_script:
-  - npm install -g bower polymer-cli@next
+  - npm install -g polymer-cli
   - polymer install --variants
-  - sudo mv /usr/bin/google-chrome /usr/bin/google-chrome-old
-  - sudo mv /usr/bin/google-chrome-beta /usr/bin/google-chrome
 env:
   global:
     - secure: >-
@@ -18,7 +16,7 @@ addons:
     sources:
       - google-chrome
     packages:
-      - google-chrome-beta
+      - google-chrome-stable
   sauce_connect: true
 script:
   - xvfb-run polymer test