language: node_js
node_js:
  - "0.12"
  - "4"
  - "5"
  - "6"
  - "7"
install:
  - npm install && npm run bootstrap
script:
  - npm test
notifications:
  email: false
language: node_js
node_js:
  - "0.12"
  - "4"
  - "5"
  - "6"
  - "7"
  - "8"
install:
  - npm install && npm run bootstrap
script:
  - npm test
notifications:
  email: false

Add node@8 to Travis config
Add node@8 to Travis config