title: AngularJS - my datetimepicker does not display calendar
body: <p>I'd like to have dropdown datepicker on my page.</p>
  
  <p>Here is my code:</p>
  
  <pre><code>&lt;code&gt;http://plnkr.co/edit/UaD8A06ilA6K6MsDL95s?p=preview&lt;/code&gt;
  </code></pre>
  
  <p>The problem is that the menu with the calendar does not appear.</p>