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"

Remove 0.8 and 0.6 versions.
Remove 0.8 and 0.6 versions.