Added newer Node versions to travis config

gr8shivam · web-flow · commit 8bfc757db336 · 2017-10-22T23:03:21.000+05:30
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,12 @@
 language: node_js
 node_js:
 - "4"
+- "5"
+- "6"
+- "7"
+- "8"
+- "node"
+- "lts/*"
 notifications:
   hipchat:
     rooms:
