Merge pull request #4 from softbrix/renovate/mocha-5.x

Update dependency mocha to v5

package.json

@@ -34,6 +34,6 @@
     "underscore": "^1.8.3"
   },
   "devDependencies": {
-    "mocha": "3.5.3"
+    "mocha": "5.2.0"
   }
 }