nguage: node_js
node_js:
  - "0.10"
  - "0.12"
  - "4.0"
  - "stable"
before_script: 
  - npm install -g istanbul
  - npm install
script: npm run cov

nguage: node_js
node_js:
  - "4.0"
  - "5.0"
  - "6.0"
  - "stable"
before_script: 
  - npm install -g istanbul
  - npm install
script: npm run cov

Remove 0.12 and 0.14 testing
Remove 0.12 and 0.14 testing
