v2.x.x: fixed CocoaPods issues

Sources/iOS/Button.swift

@@ -43,7 +43,7 @@ open class Button: UIButton, Pulseable, PulseableLayer {
     internal var pulse: Pulse!
     
     /// A reference to the pulse layer.
-    internal var pulseLayer: CALayer? {
+    public var pulseLayer: CALayer? {
         return pulse.pulseLayer
     }
     

Sources/iOS/CollectionReusableView.swift

@@ -44,7 +44,7 @@ open class CollectionReusableView: UICollectionReusableView, Pulseable, Pulseabl
     internal var pulse: Pulse!
     
     /// A reference to the pulse layer.
-    internal var pulseLayer: CALayer? {
+    public var pulseLayer: CALayer? {
         return pulse.pulseLayer
     }
     

Sources/iOS/CollectionViewCell.swift

@@ -44,7 +44,7 @@ open class CollectionViewCell: UICollectionViewCell, Pulseable, PulseableLayer {
     internal var pulse: Pulse!
     
     /// A reference to the pulse layer.
-    internal var pulseLayer: CALayer? {
+    public var pulseLayer: CALayer? {
         return pulse.pulseLayer
     }
     

Sources/iOS/Material+Motion.swift

@@ -631,16 +631,16 @@ extension Motion {
                 snapshotAnimations.append(shadowPath)
             }
             
-            let shadowOffset = Motion.shadow(offset: to.shadowOffset)
-            shadowOffset.fromValue = fromView.shadowOffset
+            let shadowOffset = Motion.shadow(offset: to.layer.shadowOffset)
+            shadowOffset.fromValue = fromView.layer.shadowOffset
             snapshotAnimations.append(shadowOffset)
             
-            let shadowOpacity = Motion.shadow(opacity: to.shadowOpacity)
-            shadowOpacity.fromValue = fromView.shadowOpacity
+            let shadowOpacity = Motion.shadow(opacity: to.layer.shadowOpacity)
+            shadowOpacity.fromValue = fromView.layer.shadowOpacity
             snapshotAnimations.append(shadowOpacity)
             
-            let shadowRadius = Motion.shadow(radius: to.shadowRadius)
-            shadowRadius.fromValue = fromView.shadowRadius
+            let shadowRadius = Motion.shadow(radius: to.layer.shadowRadius)
+            shadowRadius.fromValue = fromView.layer.shadowRadius
             snapshotAnimations.append(shadowRadius)
             
             snapshotChildAnimations.append(cornerRadiusAnimation)

Sources/iOS/PulseAnimation.swift

@@ -53,7 +53,7 @@ public protocol Pulseable {
     var pulseOpacity: CGFloat { get set }
 }
 
-internal protocol PulseableLayer {
+public protocol PulseableLayer {
     /// A reference to the pulse layer.
     var pulseLayer: CALayer? { get }
 }

Sources/iOS/PulseView.swift

@@ -35,7 +35,7 @@ open class PulseView: View, Pulseable, PulseableLayer {
     internal var pulse: Pulse!
     
     /// A reference to the pulse layer.
-    internal var pulseLayer: CALayer? {
+    public var pulseLayer: CALayer? {
         return pulse.pulseLayer
     }
     

Sources/iOS/TableViewCell.swift

@@ -43,7 +43,7 @@ open class TableViewCell: UITableViewCell, Pulseable, PulseableLayer {
     internal var pulse: Pulse!
     
     /// A reference to the pulse layer.
-    internal var pulseLayer: CALayer? {
+    public var pulseLayer: CALayer? {
         return pulse.pulseLayer
     }