Use evergreen Google Chrome instead of ancient Travis default (Chromi…

…um 37.0.2062)

Thanks to LeaVerou/bliss#117

.travis.yml

@@ -1,12 +1,14 @@
 language: node_js
+sudo: true
 node_js:
-  - "5"
-  - "4"
-  - "0.10"
+  - "stable"
 script: npm run build
 before_install:
-  - export CHROME_BIN=chromium-browser
+  - export CHROME_BIN=/usr/bin/google-chrome
   - export DISPLAY=:99.0
+  - sudo apt-get install -y libappindicator1 fonts-liberation
+  - wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
+  - sudo dpkg -i google-chrome*.deb
   - sh -e /etc/init.d/xvfb start
 notifications:
   email: