title: Select not selecting the correct option using ng-model
body: <p>This code sample displays properly but does not select the correct option:</p>
  
  <pre><code>&lt;select name="number" ng-model="subscribe.number" ng-required="true"&gt;
     &lt;option ng-repeat="i in createArrayFromNumber(event.free) track by $index" value="{{ $index + 1 }}"&gt;{{ $index + 1 }}&lt;/option&gt;
  &lt;/select&gt;
  </code></pre>
  
  <p>Here is a <a href="http://jsfiddle.net/4vqavpk1/" rel="nofollow">JSfiddle</a> to reproduce. </p>
  
  <p>ng-model is supposed to select the correct option or am I supposed to set a <code>selected</code> attribute in the <code>&lt;option&gt;</code> tag?</p>