added node modules back to the example bot, so it exports with the required modules

node_modules/util/README.md

@@ -0,0 +1,15 @@
+# util
+
+[![Build Status](https://travis-ci.org/defunctzombie/node-util.png?branch=master)](https://travis-ci.org/defunctzombie/node-util)
+
+node.js [util](http://nodejs.org/api/util.html) module as a module
+
+## install via [npm](npmjs.org)
+
+```shell
+npm install util
+```
+
+## browser support
+
+This module also works in modern browsers. If you need legacy browser support you will need to polyfill ES5 features.