language: node_js
node_js:
  - "7"
  - "8"
script: npm run lint
cache:
  directories:
    - node_modules
language: node_js
node_js:
  - "7"
  - "8"
script: npm run lint
cache:
  directories:
    - node_modules
branches:
  only: 
    - master
Build Travis on master pushes but not twice in PRs
:construction_worker: Build Travis on master pushes but not twice in PRs
