Upate to Xcode 8 beta 6

Demo/AppDelegate.swift

@@ -7,7 +7,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
   var window: UIWindow?
 
 
-  func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
+  private func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
     // Override point for customization after application launch.
     return true
   }