 language: node_js
 node_js:
   - "0.10"
   - "6"
   - "6.1"
   - "5.11"

 language: node_js
 node_js:
   - "7"
   - "6"
   - "5"
   - "4"
   - "3" # io.js
   - "2" # io.js
   - "1" # io.js
   - "0.12"
   - "0.10"
   - "0.8"
   - "0.6"

Add all versions supported by passportjs
Add all versions supported by passportjs

Plus a few new ones that are not in the passportjs .travis.yml yet.
