feat(ci): Update .travis.yml, add Node.js v8 env

vvakame · vvakame · commit 78a1128da9e2 · 2017-10-27T11:10:29.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,6 +2,7 @@ language: node_js
 node_js:
   - 4
   - 6
+  - 8
 sudo: false
 
 notifications:
