language: node_js
node_js:
  - "0.11"
  - "0.10"
  - "0.8"
  - "0.6"
before_script:
  - npm install -g grunt-cli

language: node_js
node_js:
  - "0.11"
  - "0.10"
  - "0.8"
before_script:
  - npm install -g grunt-cli

Remove node.js 0.6.x compatibility in Travis checks
Remove node.js 0.6.x compatibility in Travis checks

It will fail because of our dependencies. Need to be upper or equal to 0.8.x.
