Proper config for node 5 in travis

Author: kpdecker

.travis.yml

@@ -1,6 +1,4 @@
 language: node_js
-node_js:
-  - "5"
 sudo: false
 env:
   global:
@@ -11,7 +9,7 @@ script: grunt travis
 
 matrix:
   include:
-    - node_js: "node"
+    - node_js: "5"
       env: KARMA=
 
 cache: