Update travis.yml

pkra · pkra · commit 9d7f8c63d9ae · 2015-12-29T22:09:27.000+01:00
Move to stable nodejs releases for testing; fixes mathjax#138
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-- 'iojs'
+- 'stable'
 sudo: false
 script:
   - npm install
