Force Travis-ci to use npm version >=3. Add test for Node 6.x

Amir Tocker · Amir Tocker · commit a82865214319 · 2016-11-17T08:21:08.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,7 @@
+before_install: if [[ `npm -v` != 3* ]]; then npm i -g npm@3; fi
 language: node_js
 node_js:
+  - "6"
   - "5"
   - "4"
 install:
