title: change tableview row height in ios 5
body: <p>Before ios 5 I would set the row height in a tableview like this:</p>
  
  <pre><code>self.tableView.rowHeight=71;
  </code></pre>
  
  <p>However, it doesn't work on iOS5.</p>
  
  <p>Someone has an idea?</p>
  
  <p>Thanks</p>