title: Nstableview with custom tablecellview not displaying any data
body: <p>Tableview is loading but not displaying any outlet from custom cell</p>
  
  <pre><code>class ViewController: NSViewController,NSTableViewDataSource,NSTableViewDelegate {
  
  override func viewDidLoad() {
      super.viewDidLoad()
      //let color : CGColorRef = CGColorCreateGenericRGB(1.0, 0, 0, 1.0)
     self.view.layer?.backgroundColor = NSColor.whiteColor().CGColor       
  
      // Do any additional setup after loading the view.
  }
  
  override var representedObject: AnyObject? {
      didSet {
      // Update the view, if already loaded.
      }
  }
  
  func tableView(tableView: NSTableView, viewForTableColumn tableColumn: NSTableColumn?, row: Int) -&gt; NSView? {       
  
      let cell = tableView.makeViewWithIdentifier("AppointmentCell", owner: self)  as! AppointmentCell!
  
      if tableColumn!.identifier == "Column" { 
          return cell
      }
      return cell  
  }
  
  func numberOfRowsInTableView(tableView: NSTableView) -&gt; Int {
      return 5
  }
  
   func tableView(tableView: NSTableView, heightOfRow row: Int) -&gt; CGFloat
   {
      return 100        
  }
  }
  class AppointmentCell: NSTableCellView {
      @IBOutlet weak var Start: NSButton!
      @IBOutlet weak var Increment: NSButton!
      @IBOutlet weak var decrement: NSButton!
      @IBOutlet weak var addNotes: NSButton!
  
      override func drawRect(dirtyRect: NSRect) {
          super.drawRect(dirtyRect)    
          // Drawing code here.
      }        
  }
  </code></pre>