Merge pull request #11 from lgaticaq/greenkeeper-mocha-2.5.0

mocha@2.5.0 breaks build 🚨

Author: lgaticaq

package.json

@@ -42,7 +42,7 @@
     "babel-preset-es2015": "^6.6.0",
     "chai": "^3.5.0",
     "eslint": "^2.4.0",
-    "mocha": "^2.4.5",
+    "mocha": "^2.5.0",
     "rimraf": "^2.5.2"
   },
   "eslintConfig": {