chore(ci): upgrade node version

Wykks · Wykks · commit 52af45f4f97d · 2017-09-03T18:38:51.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: node_js
 
 node_js:
-  - '6'
+  - '8'
 
 install: ./scripts/install.sh
 
