message: Moved tabBarItem to navigation controller
diff: self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
  UIViewController *viewControllerZero = [[Scene alloc] init: 0 tab: 0 title: @"Scene" appKey: @"iosTabs"];
  - viewControllerZero.tabBarItem = [[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemSearch tag:0];
  UINavigationController *navigationControllerZero = [[UINavigationController alloc] initWithRootViewController:viewControllerZero];
  + navigationControllerZero.tabBarItem = [[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemSearch tag:0];
  UIViewController *viewControllerOne = [[Scene alloc] init: 0 tab: 1 title: @"Scene" appKey: @"iosTabs"];
  - viewControllerOne.tabBarItem = [[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemTopRated tag:1];
  UINavigationController *navigationControllerOne = [[UINavigationController alloc] initWithRootViewController:viewControllerOne];
  + navigationControllerOne.tabBarItem = [[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemTopRated tag:1];
  UITabBarController *tabBarController = [[UITabBarController alloc] init];
  [tabBarController setViewControllers:@[navigationControllerZero, navigationControllerOne]];
  