message: moving to headless chrome, no need for xvfb
diff: @@ -6,10 +6,6 @@ node_js:
  addons:
  chrome: stable
  -before_install:
  - - export CHROME_BIN=/usr/bin/google-chrome-stable
  - - export DISPLAY=:99.0
  - - sh -e /etc/init.d/xvfb start
  before_script:
  - cd gulp
  - npm install -g karma
  