chore: adding node 6 for testing

dbo · dbo · commit 477c8625780d · 2016-11-16T11:55:13.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,6 +7,7 @@ notifications:
   email: false
 node_js:
   - 'node'
+  - '6'
 before_install:
   - npm i -g npm@^2.0.0
 before_script:
