title: Angular Date Formatting add the 'at' before time
body: <p>Is there simple way to add the word 'at' in between my date and time so it reads like this: Jan 20, 2015 at 11:49 AM, instead of Jan 20, 2015, 11:49 AM. I tried <code>long</code> and <code>full</code> but I do not want the seconds and locale showing.</p>
  <pre><code>    2015-01-20 16:49:07+00:00
  
  {{ myDate | date : 'medium' }}
  </code></pre>