updated README for 1.20.0

README.md

@@ -8,7 +8,7 @@ MaterialKit is on CocoaPods under the name [MK](https://cocoapods.org/?q=MK).
 
 To get started, let's introduce MaterialView, a lightweight UIView Object that has flexibility in mind. Common controls have been added to make things easier. For example, let's make a circle view that has a shadow, border, and image.
 
-![MaterialKitPreview](http://www.materialkit.io/github/img1.gif)
+![MKPreview](http://www.materialkit.io/github/img1.gif)
 
 ```swift
 let v: MaterialView = MaterialView(frame: CGRectMake(20, 20, view.frame.size.width - 40, 200))
@@ -25,7 +25,7 @@ view.addSubview(v)
 
 Let's expand on the basic MaterialView and use an animated MaterialPulseView. In this example, we will make the shape a square with some rounded corners.
 
-![MaterialKitPreview](http://www.materialkit.io/github/img11.gif)
+![MKPreview](http://www.materialkit.io/github/img11.gif)
 
 ```swift
 let v: MaterialPulseView = MaterialPulseView(frame: CGRectMake(20, 20, view.frame.size.width - 40, 200))
@@ -41,7 +41,7 @@ view.addSubview(v)
 
 A FlatButton is the best place to start when introducing MaterialKit buttons. It is simple, clean, and very effective. Below is an example of a FlatButton in action.
 
-![MaterialKitPreview](http://www.materialkit.io/github/img3.gif)
+![MKPreview](http://www.materialkit.io/github/img3.gif)
 
 ```swift
 let v: FlatButton = FlatButton(frame: CGRectMake(100, 100, 200, 64))
@@ -56,7 +56,7 @@ view.addSubview(v)
 
 A RaisedButton is sure to get attention. Take a look at the following code sample.
 
-![MaterialKitPreview](http://www.materialkit.io/github/img4.gif)
+![MKPreview](http://www.materialkit.io/github/img4.gif)
 
 ```swift
 let v: RaisedButton = RaisedButton(frame: CGRectMake(100, 100, 200, 64))
@@ -71,7 +71,7 @@ view.addSubview(v)
 
 A FabButton is essential to Material Design's overall look. I leave this example as simple as possible to showcase its beauty.
 
-![MaterialKitPreview](http://www.materialkit.io/github/img5.gif)
+![MKPreview](http://www.materialkit.io/github/img5.gif)
 
 ```swift
 let v: FabButton = FabButton(frame: CGRectMake(100, 100, 64, 64))
@@ -86,7 +86,7 @@ view.addSubview(v)
 
 A NavigationBarView is a very common UI element and the more presentable it is, the better. The following example shows how to setup a NavigationBarView on the fly.
 
-![MaterialKitPreview](http://www.materialkit.io/github/img6.gif)
+![MKPreview](http://www.materialkit.io/github/img6.gif)
 
 ```swift
 let v: NavigationBarView = NavigationBarView(titleLabel: MaterialLabel())!
@@ -141,7 +141,7 @@ view.addSubview(v)
 
 A BasicCardView is super flexible with all its options - including a title, detail, left buttons, and right buttons. Below is an example of a simple setup.
 
-![MaterialKitPreview](http://www.materialkit.io/github/img7.gif)
+![MKPreview](http://www.materialkit.io/github/img7.gif)
 
 ```swift
 let v: BasicCardView = BasicCardView(titleLabel: UILabel(), detailLabel: UILabel())!
@@ -195,7 +195,7 @@ MaterialLayout.alignFromTop(view, child: v, top: 100)
 
 A BasicCardView can easily add an image as its background, below is the code that shows how to do this.
 
-![MaterialKitPreview](http://www.materialkit.io/github/img8.gif)
+![MKPreview](http://www.materialkit.io/github/img8.gif)
 
 ```swift
 let v: BasicCardView = BasicCardView(titleLabel: UILabel(), detailLabel: UILabel())!
@@ -223,7 +223,7 @@ MaterialLayout.alignFromTop(view, child: v, top: 100)
 
 An ImageCardView is a great way to enclose many components into a single and presentable layout. Below is an example of setting one up.
 
-![MaterialKitPreview](http://www.materialkit.io/github/img10.gif)
+![MKPreview](http://www.materialkit.io/github/img10.gif)
 
 ```swift
 let v: ImageCardView = ImageCardView()
@@ -270,7 +270,7 @@ MaterialLayout.alignFromTop(view, child: v, top: 100)
 
 Animations are a wonderful way to add life to your application. MaterialAnimation is a lightweight API for constructing complex animations. Below is an example of an animation.
 
-![MaterialKitPreview](http://www.materialkit.io/github/img9.gif)
+![MKPreview](http://www.materialkit.io/github/img9.gif)
 
 ```swift
 let v: MaterialPulseView = MaterialPulseView(frame: CGRectMake(50, 50, 200, 200))