Merge pull request #2 from prantlf/greenkeeper/grunt-coveralls-2.0.0

Update grunt-coveralls to the latest version 🚀

Author: prantlf

package.json

@@ -45,7 +45,7 @@
     "grunt-contrib-clean": "^1.1.0",
     "grunt-contrib-copy": "^1.0.0",
     "grunt-contrib-nodeunit": "^1.0.0",
-    "grunt-coveralls": "^1.0.1",
+    "grunt-coveralls": "^2.0.0",
     "grunt-istanbul": "^0.8.0",
     "grunt-standard": "^3.1.0",
     "nsp": "^3.2.1",