prep for release 1.23.0

MK.podspec

 Pod::Spec.new do |s|
   s.name = 'MK'
-  s.version = '1.22.0'
+  s.version = '1.23.0'
   s.license = { :type => "AGPL-3.0", :file => "LICENSE" }
   s.summary = 'A Material Design Framework In Swift'
   s.homepage = 'http://materialkit.io'

Source/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.22.0</string>
+	<string>1.23.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>

Source/SideNavigationViewController.swift

@@ -392,11 +392,6 @@ public class SideNavigationViewController: UIViewController, UIGestureRecognizer
 	internal func handlePanGesture(recognizer: UIPanGestureRecognizer) {
 		switch recognizer.state {
 		case .Began:
-			if enableShadowDepth {
-				MaterialAnimation.animationDisabled {
-					self.sideView.shadowDepth = self.shadowDepth
-				}
-			}
 			backdropLayer.hidden = false
 			originalPosition = sideView.position
 			toggleStatusBar(true)