fixed animation issue, where animations were not persisting their end state

Examples/Programmatic/SideNavigationViewController/SideNavigationViewController/AppViewController.swift

@@ -97,7 +97,7 @@ class AppViewController: NavigationViewController {
 			sideNavigationViewController?.enabled = true
 
 			// Position the menuBackdropLayer for the animation when closing.
-			menuBackdropLayer.animate(MaterialAnimation.scale(1, duration: 0.25))
+			menuBackdropLayer.animate(MaterialAnimation.scale(1))
 			
 			menuView.menu.close()
 			image = UIImage(named: "ic_add_white")
@@ -110,7 +110,7 @@ class AppViewController: NavigationViewController {
 				self.menuBackdropLayer.frame = self.menuView.frame
 				self.menuBackdropLayer.shape = .Circle
 			}
-			menuBackdropLayer.animate(MaterialAnimation.scale(30, duration: 0.25))
+			menuBackdropLayer.animate(MaterialAnimation.scale(30))
 			menuBackdropLayer.hidden = false
 			
 			menuView.menu.open() { (v: UIView) in

Sources/MaterialButton.swift

@@ -348,12 +348,8 @@ public class MaterialButton : UIButton {
 	if interrupted.
 	*/
 	public override func animationDidStop(anim: CAAnimation, finished flag: Bool) {
-		if let a: CAPropertyAnimation = anim as? CAPropertyAnimation {
-			if let b: CABasicAnimation = a as? CABasicAnimation {
-				layer.setValue(nil == b.toValue ? b.byValue : b.toValue, forKey: b.keyPath!)
-			}
+		if anim is CAPropertyAnimation {
 			(delegate as? MaterialAnimationDelegate)?.materialAnimationDidStop?(anim, finished: flag)
-			layer.removeAnimationForKey(a.keyPath!)
 		} else if let a: CAAnimationGroup = anim as? CAAnimationGroup {
 			for x in a.animations! {
 				animationDidStop(x, finished: true)

Sources/MaterialLayer.swift

@@ -280,14 +280,8 @@ public class MaterialLayer : CAShapeLayer {
 	if interrupted.
 	*/
 	public override func animationDidStop(anim: CAAnimation, finished flag: Bool) {
-		if let a: CAPropertyAnimation = anim as? CAPropertyAnimation {
-			if let b: CABasicAnimation = a as? CABasicAnimation {
-				MaterialAnimation.animationDisabled { [unowned self] in
-					self.setValue(nil == b.toValue ? b.byValue : b.toValue, forKey: b.keyPath!)
-				}
-			}
+		if anim is CAPropertyAnimation {
 			(delegate as? MaterialAnimationDelegate)?.materialAnimationDidStop?(anim, finished: flag)
-//			removeAnimationForKey(a.keyPath!)
 		} else if let a: CAAnimationGroup = anim as? CAAnimationGroup {
 			for x in a.animations! {
 				animationDidStop(x, finished: true)

Sources/MaterialView.swift

@@ -387,12 +387,8 @@ public class MaterialView : UIView {
 	if interrupted.
 	*/
 	public override func animationDidStop(anim: CAAnimation, finished flag: Bool) {
-		if let a: CAPropertyAnimation = anim as? CAPropertyAnimation {
-			if let b: CABasicAnimation = a as? CABasicAnimation {
-				layer.setValue(nil == b.toValue ? b.byValue : b.toValue, forKey: b.keyPath!)
-			}
+		if anim is CAPropertyAnimation {
 			(delegate as? MaterialAnimationDelegate)?.materialAnimationDidStop?(anim, finished: flag)
-			layer.removeAnimationForKey(a.keyPath!)
 		} else if let a: CAAnimationGroup = anim as? CAAnimationGroup {
 			for x in a.animations! {
 				animationDidStop(x, finished: true)