Merge pull request #113 from tmcgee/greenkeeper/grunt-newer-1.3.0

Update grunt-newer to the latest version 🚀

Author: tmcgee

package.json

@@ -20,7 +20,7 @@
         "grunt-eslint": "19.0.x",
         "grunt-contrib-uglify": "~2.3.0",
         "grunt-contrib-watch": "1.0.x",
-        "grunt-newer": "1.2.x",
+        "grunt-newer": "~1.3.0",
         "grunt-open": "0.2.x",
         "grunt-contrib-compress": "~1.4.1"
 	},