title: how to use pushFrontViewController of SWRevealViewController with swift
body: <p>I have discover that the pushFrontViewController function in SWReveal.</p>
  
  <p>I have added the UIViewController in the storyboard's Contact.<img src="https://i.stack.imgur.com/U6B5R.png" alt="enter image description here">
  And I am trying covert to swift, but it do not work.
  Here is the code:</p>
  
  <pre><code>override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
       //CODE TO BE RUN ON CELL TOUCH
          var newFrontController: UIViewController
          let selectedItemMenu = arrayOfSlider[indexPath.row]
  
          var revealController  = SWRevealViewController()
          var contact_nav = ContactViewController()
          newFrontController = UINavigationController(rootViewController:contact_nav) 
          revealController.pushFrontViewController(newFrontController , animated:true)
  }
  </code></pre>
  
  <p>Is there anything that I am wrong?</p>