language: node_js
node_js:
  - '5'
  - '4'
  - '0.12'
  - '0.10'
addons:
  postgresql: "9.4"
services:
  - postgresql
before_script:
  - psql -c 'create database massive;' -U postgres

language: node_js
node_js:
  - '6'
  - '5'
  - '4'
  - '0.12'
  - '0.10'
addons:
  postgresql: "9.4"
services:
  - postgresql
before_script:
  - psql -c 'create database massive;' -U postgres

Add node 6 version to Travis configuration
Add node 6 version to Travis configuration