title: How to detect that animation has ended on UITableView beginUpdates/endUpdates?
body: <p>I am inserting/deleting table cell using <code>insertRowsAtIndexPaths/deleteRowsAtIndexPaths</code> wrapped in <code>beginUpdates/endUpdates</code>. I am also using <code>beginUpdates/endUpdates</code> when adjusting rowHeight. All these operations are animated by default.</p>
  
  <p>How can I detect that animation has ended when using <code>beginUpdates/endUpdates</code>?</p>