refactor(Travis):

st0ffern · st0ffern · commit ae67c1b9b360 · 2016-08-12T10:29:44.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,9 +6,7 @@ cache:
 notifications:
   email: false
 node_js:
-  - '4'
-before_install:
-  - npm i -g npm@^2.0.0
+  - '6'
 before_script:
   - npm prune
 after_success:
