title: can't trigger focus on a textbox in angular and ionic
body: <p>I'm trying to set focus on a textbox through an onclick trigger and it doesn't seem to work in my ionic angular implementation.  It works if I take it out of angluar and ionic</p>
  
  <p>Here's the template</p>
  
  <pre><code>&lt;ion-view title="Create"&gt;
    &lt;ion-content class="has-header"&gt;
       &lt;div&gt;
          &lt;input type="text" placeholder="focus here" id="test" /&gt;
          &lt;button ng-click="test()"&gt;TEST&lt;/button&gt;
        &lt;/div&gt;
    &lt;/ion-content&gt;
  &lt;/ion-view&gt;
  </code></pre>
  
  <p>And the js</p>
  
  <pre><code>$scope.test = function(){
      document.getElementById('test').focus();
    };
  </code></pre>