no longer supporting node 0.6

aheckmann · aheckmann · commit 41868b3e4dcd · 2013-08-21T13:14:35.000-07:00
Is no longer supported by the Node.js project itself.
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,5 @@
 language: node_js
 node_js:
-  - 0.6
   - 0.8
   - 0.10
 services:
