title: Select default option not working with Ionic Framework
body: <p>I am using Ionic Framework.<br>
  I would like to enter the first option as the default, but doing it this way does not work.<br>
  What can I do?</p>
  
  <pre><code>&lt;select ng-model="newSpesaAereo.valuta"&gt;
      &lt;option ng-selected="selected"&gt;Euro&lt;/option&gt;
      &lt;option&gt;Dollaro&lt;/option&gt;
      &lt;option&gt;Dollaro canadese&lt;/option&gt;
      &lt;option&gt;Sterlina&lt;/option&gt;
  &lt;/select&gt;
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/8Wl5Y.png" alt="enter image description here"></p>
  
  <p>If I analyze the page with Google Chrome Developer Utility I watch this.</p>
  
  <p><img src="https://i.stack.imgur.com/Qca3q.png" alt="enter image description here"></p>
  
  <p>If I edit this HTML and I delete the selected row, then Euro is visible.</p>
  
  <p>Why is this happening?</p>