[test] Add newer nodejs versions in Travis (#167)

darrachequesne · web-flow · commit e26590cb2565 · 2017-01-06T16:41:39.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,6 +4,8 @@ node_js:
   - "0.10"
   - "0.12"
   - "4"
+  - "6"
+  - "node"
 notifications:
   irc: "irc.freenode.org#socket.io"
 services:
