Update node versions for CI.

jonkemp · jonkemp · commit c13848700f7a · 2017-11-05T13:19:13.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,7 @@
 sudo: false
 language: node_js
 node_js:
+  - '8'
   - '6'
   - '4'
 before_script:
