use node 0.12 for travis ci

yyx990803 · yyx990803 · commit 096d7a3037c4 · 2015-06-12T14:28:22.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-- "iojs-v2.0.1"
+- "0.12"
 branches:
   only:
   - master
