$http options with custom header
http://angularjs.org/
by Sinh Nguyen
HTML
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.5/angular.min.js"></script>
<div ng-controller="MyCtrl">
<button ng-click="doWebCall()">
Do web call
</button><br/>
Status: {{ status }} <br/>
Results: {{ results }}
</div>