language: node_js
node_js:
  - '0.12'
  - '4'
  - '5'
  - '6'
notifications:
  email: false
sudo: false
branches:
  only:
    - master
install:
  - npm install
  - npm run build

language: node_js
node_js:
  - '4'
  - '5'
  - '6'
  - '7'
notifications:
  email: false
sudo: false
branches:
  only:
    - master
install:
  - npm install
  - npm run build

Raise minimum requirements for node. Remove node 0.12 support Add node 7.x support
Raise minimum requirements for node.
Remove node 0.12 support
Add node 7.x support
