Build: Install grunt before build

dmethvin · dmethvin · commit a79bc6e9bf9e · 2016-02-12T16:36:26.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,4 +1,5 @@
 language: node_js
 sudo: false
 node_js:
-- "5"
+- "5"
+before_install: npm install -g grunt-cli
