Merge pull request #8 from neogeek/greenkeeper/mocha-3.4.2

Update mocha to the latest version 🚀

Author: neogeek

package.json

@@ -7,7 +7,7 @@
     "jsdom": "9.12.0",
     "jsdom-global": "2.1.1",
     "jslint": "0.10.3",
-    "mocha": "3.4.1"
+    "mocha": "3.4.2"
   },
   "scripts": {
     "test": "jslint de-pre.js && mocha test/**/*.js -r jsdom-global/register"