title: How to set the rootViewController with Swift, iOS 7
body: <p>I want to set the rootViewController in the app delegate ..</p>
  
  <pre><code>func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: NSDictionary?) -&gt; Bool {
  
       var rootView: MyRootViewController = MyRootViewController()
       //Code to set this viewController as the root view??
  
  
       return true
  
  }
  </code></pre>