Add node v6 to Travis build

gajus · gajus · commit 7f41d407ed7b · 2016-07-04T17:09:37.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,6 @@
 language: node_js
 node_js:
+    - 6
     - 5
     - 4
 notifications:
