language: node_js
node_js:
  - 8
  - 7
  - 6
  - 4

language: node_js
node_js:
  - 8
  - 7
  - 6
  - 4
after_success:
  - bash <(curl -s https://codecov.io/bash)

Add codecov to the Travis CI config
Add codecov to the Travis CI config

