added performance updates

Examples/Programmatic/App/App/AppDelegate.swift

@@ -39,7 +39,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 	func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
 		
 		let bottomNavigationController: BottomNavigationController = BottomNavigationController()
-		bottomNavigationController.viewControllers = [AppNavigationController(rootViewController: RecipesViewController()), VideoViewController(), PhotoViewController()]
+		bottomNavigationController.viewControllers = [AppMenuViewController(mainViewController: AppNavigationController(rootViewController: RecipesViewController())), VideoViewController(), PhotoViewController()]
 		bottomNavigationController.selectedIndex = 0
 		bottomNavigationController.tabBar.tintColor = MaterialColor.lightBlue.base
 		bottomNavigationController.tabBar.backgroundColor = MaterialColor.grey.darken4

Examples/Programmatic/App/App/Info.plist

@@ -34,6 +34,8 @@
 	<array>
 		<string>UIInterfaceOrientationPortrait</string>
 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
 	<key>UISupportedInterfaceOrientations~ipad</key>
 	<array>

Sources/BottomNavigationController.swift

@@ -100,11 +100,6 @@ public class BottomNavigationController : UITabBarController, UITabBarController
 				}
 			}
 		}
-		if let v: Array<UIViewController> = viewControllers {
-			for controller in v {
-				controller.edgesForExtendedLayout = .None
-			}
-		}
 	}
 	
 	/**
@@ -115,6 +110,7 @@ public class BottomNavigationController : UITabBarController, UITabBarController
 	when subclassing.
 	*/
 	public func prepareView() {
+		view.clipsToBounds = true
 		delegate = self
 		tabBar.depth = .Depth1
 		tabBar.backgroundColor = MaterialColor.white
@@ -122,6 +118,7 @@ public class BottomNavigationController : UITabBarController, UITabBarController
 		tabBar.backgroundImage = UIImage()
 	}
 	
+	/// Handles transitions when tabBarItems are pressed.
 	public func tabBarController(tabBarController: UITabBarController, animationControllerForTransitionFromViewController fromVC: UIViewController, toViewController toVC: UIViewController) -> UIViewControllerAnimatedTransitioning? {
 		return .Fade == transitionAnimation ? BottomNavigationFadeAnimatedTransitioning() : nil
 	}

Sources/MenuViewController.swift

@@ -153,6 +153,8 @@ public class MenuViewController : UIViewController {
 	
 	/// A method that generally prepares the MenuViewController.
 	private func prepareView() {
+		edgesForExtendedLayout = .None
+		view.clipsToBounds = true
 		prepareMenuView()
 		prepareMainViewController()
 	}

Sources/NavigationController.swift

@@ -60,6 +60,8 @@ public class NavigationController : UINavigationController, UIGestureRecognizerD
 	
 	public override func viewDidLoad() {
 		super.viewDidLoad()
+		edgesForExtendedLayout = .None
+		view.clipsToBounds = true
 		
 		// This ensures the panning gesture is available when going back between views.
 		if let v: UIGestureRecognizer = interactivePopGestureRecognizer {

Sources/SideNavigationController.swift

@@ -723,6 +723,7 @@ public class SideNavigationController : UIViewController, UIGestureRecognizerDel
 	
 	/// A method that generally prepares the SideNavigationController.
 	private func prepareView() {
+		edgesForExtendedLayout = .None
 		prepareMainViewController()
 		prepareLeftView()
 		prepareRightView()
@@ -733,6 +734,7 @@ public class SideNavigationController : UIViewController, UIGestureRecognizerDel
 	
 	/// A method that prepares the mainViewController.
 	private func prepareMainViewController() {
+		mainViewController.view.clipsToBounds = true
 		prepareViewControllerWithinContainer(mainViewController, container: view)
 	}
 	

Sources/StatusBarViewController.swift

@@ -114,6 +114,8 @@ public class StatusBarViewController : UIViewController {
 	when subclassing.
 	*/
 	public func prepareView() {
+		edgesForExtendedLayout = .None
+		view.clipsToBounds = true
 		prepareMainViewController()
 	}