development: prepared MenuController for release of 2.4.2

Sources/iOS/MenuController.swift

@@ -49,8 +49,6 @@ extension UIViewController {
 }
 
 open class MenuController: RootController {
-	open fileprivate(set) var blurView: UIView?
-    
     /// Reference to the MenuView.
     @IBInspectable
     open let menu = Menu()
@@ -90,21 +88,12 @@ extension MenuController {
     open func openMenu(completion: ((UIView) -> Void)? = nil) {
         if true == isUserInteractionEnabled {
             isUserInteractionEnabled = false
-            
-            if nil == blurView {
-                let blur = UIVisualEffectView(effect: UIBlurEffect(style: .light))
-                blurView = UIView()
-                blurView?.layout(blur).edges()
-                view.layout(blurView!).edges()
-                view.bringSubview(toFront: menu)
+            UIView.animate(withDuration: 0.15, animations: { [weak self] in
+                guard let s = self else {
+                    return
                 }
-            
-//            UIView.animate(withDuration: 0.15, animations: { [weak self] in
-//                guard let s = self else {
-//                    return
-//                }
-//                s.rootViewController.view.alpha = 0.15
-//            })
+                s.rootViewController.view.alpha = 0.15
+            })
             menu.open { [completion = completion] (view) in
                 completion?(view)
             }
@@ -118,16 +107,12 @@ extension MenuController {
      */
     open func closeMenu(completion: ((UIView) -> Void)? = nil) {
         if false == isUserInteractionEnabled {
-            blurView?.removeFromSuperview()
-            blurView = nil
-            
-            
-//            UIView.animate(withDuration: 0.15, animations: { [weak self] in
-//                guard let s = self else {
-//                    return
-//                }
-//                s.rootViewController.view.alpha = 1
-//            })
+            UIView.animate(withDuration: 0.15, animations: { [weak self] in
+                guard let s = self else {
+                    return
+                }
+                s.rootViewController.view.alpha = 1
+            })
             menu.close { [weak self] (view) in
                 guard let s = self else {
                     return