language: node_js
node_js:
  - "4"
  - "5"

cache:
  directories:
    - node_modules

sudo: false
language: node_js
node_js:
  - "5"
  - "6"

cache:
  directories:
    - node_modules

sudo: false
Remove node 4 support. Add node 6 support
Remove node 4 support. Add node 6 support
