title: Self sizing cells not working in Swift
body: <p>I have not added any prototype cells but it should work according to the latest iOS 8 tableView. Here is my code</p>
  
  <pre><code>class ViewController: UIViewController,UITableViewDelegate {
  @IBOutlet weak var tableView: UITableView!
  var tabledata = ["hn, helooo dnsjakdnksandksajndksandkasjnkc sacjkasc jkas kjdjknasjkdnsaklmdlksamxklsamxlksamdklsandk cnsdjdnsklnjnfkdnflasfnlfnkdsnfjkdnfjkdsnjkd njsdkadnaksjdnjkasndsakdnkasdnsalkdn cjkndskasdnsakndksandjksandksajndkj ndsjkadnksalndls;adnklsa;mdas,mcjksanckasdjnklscaskncjks" , "hi i am ishan, helooo dnsjakdnksandksajndksandkasjnkc sacjkasc jkas kjdjknasjkdnsaklmdlksamxklsamxlksamdklsandk cnsdjdnsklnjnfkdnflasfnlfnkdsnfjkdnfjkdsnjkd njsdkadnaksjdnjkasndsakdnkasdnsalkdn cjkndskasdnsakndksandjksandksajndkj ndsjkadnksalndls;adnklsa;mdas,mcjksanckasdjnklscaskncjkssndjkasndjksandkjasndkjasndkjasndkjasndjka ", "a" ]
  func numberOfSectionsInTableView(tableView: UITableView) -&gt; Int {
      return 1
  }
  
  func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -&gt; Int {
      return tabledata.count
  }
  
  func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -&gt; UITableViewCell {
     let cell = UITableViewCell(style: UITableViewCellStyle.Default, reuseIdentifier: "Cell")
  
      cell.textLabel.text = self.tabledata[indexPath.row]
  
      return cell
  }
  override func viewDidLoad() {
      super.viewDidLoad()
      self.tableView.estimatedRowHeight = 100.0;
      self.tableView.rowHeight = UITableViewAutomaticDimension;
      tableView.reloadData()
      // Do any additional setup after loading the view, typically from a nib.
  }
  
  override func didReceiveMemoryWarning() {
      super.didReceiveMemoryWarning()
      // Dispose of any resources that can be recreated.
  }
  
  
  }
  </code></pre>
  
  <p>I don't see any changes when I remove/add these lines</p>
  
  <pre><code>    self.tableView.estimatedRowHeight = 100.0;
      self.tableView.rowHeight = UITableViewAutomaticDimension;
  </code></pre>