Replacing event emitters with use of promises.  Cleaned up some bugs.

<ul>
<li>Converted services to use promises instead of event emitters.</li>

<li>Fixed business side-nav page title bug.</li>

<li>Fixed 'popupclose' events triggering on changing of location.</li>

<li>Removed Restangular and underscore dependencies and replaced with $http.</li>
</ul>