Merge pull request react-bootstrap#715 from react-bootstrap/travis-iojs-only

Only run CI against latest iojs

Author: AlexKVal

.travis.yml

@@ -1,8 +1,6 @@
 sudo: false
 language: node_js
 node_js:
-  - "0.10"
-  - "0.12"
   - "iojs"
 notifications:
   webhooks: