language: node_js
node_js:
  - "5"
  - "6"
script:
  - npm run test:lint
  - npm test
after_success:
  - bash <(curl -s https://codecov.io/bash)

language: node_js
node_js:
  - "4"
  - "5"
  - "6"
script:
  - npm run test:lint
  - npm test
after_success:
  - bash <(curl -s https://codecov.io/bash)

Add Node 4 to Travis
Add Node 4 to Travis

This should work now.
