chore(travisci): Enable testing of node 8 on travis

digitalsadhu · digitalsadhu · commit 9a8241c4b3f4 · 2017-06-10T00:39:07.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,6 +6,7 @@ cache:
 notifications:
   email: false
 node_js:
+  - '8'
   - '6'
   - '4'
 before_install:
