language: node_js
node_js:
  - 0.12
  - 4
  - 5
  - 6
  - 7
before_script:
  - npm install -g gulp
script: gulp

language: node_js
node_js:
  - 4
  - 5
  - 6
  - 7
before_script:
  - npm install -g gulp
script: gulp

Drop Node.js 0.12 from supported versions
Drop Node.js 0.12 from supported versions

gulp-eslint does not support it any more.
