language: node_js
sudo: false

node_js:
  - "4"
  - "6"
  - "7"
  - "8"

notifications:
  email:
    on_success: never

cache:
  directories:
  - node_modules

language: node_js
sudo: false

node_js:
  - "6"
  - "7"
  - "8"

notifications:
  email:
    on_success: never

cache:
  directories:
  - node_modules

Remove Node 4 testing from Travis
Remove Node 4 testing from Travis