language: node_js
sudo: false
node_js:
  - '4.0'
  - '4'
  - '6'
  - '8'
  - '10'
before_install:
  # Prevent Bower from asking questions.
  - export CI=true

language: node_js
sudo: false
node_js:
  - '8'
  - '10'
  - '11'
before_install:
  # Prevent Bower from asking questions.
  - export CI=true

Drop Node.js 4 & 6, test on Node.js 8/10/11
Travis: Drop Node.js 4 & 6, test on Node.js 8/10/11
