language: node_js
node_js:
  - "4"
  - "4.5"
  - "4.6"

language: node_js
node_js:
  - "4"
  - "4.5"
  - "4.6"
before_install: if [[ `npm -v` != 3* ]]; then npm i -g npm@3; fi

Install npm version 3 on Travis-ci
Install npm version 3 on Travis-ci
