Update the tutorial that spawned this repo

You wrote [this tutorial](http://www.html5rocks.com/en/tutorials/frameworks/angular-websockets/) on html5rocks, correct? And afterwards, created the btford angular-websocket NPM/bower package, right? In your article, you mention:

> I may revisit writing a complete wrapper, but that's beyond the scope of this tutorial.

It may be worth heading back to that article and editing it to point to your npm/bower package. It's the first google result for "angular and socketio."