 language: node_js
 node_js:
   - "0.11"
   - "0.10"


 language: node_js
 node_js:
   - "iojs"
   - "0.12"


Update node versions tested on CI
Update node versions tested on CI

* Enable testing on iojs and node 0.12 (since we support both)
* Stop testing on node < 0.12 (since that's no longer supported)
