fixed issue with FabButton when using AutoLayout

MK.podspec

 Pod::Spec.new do |s|
   s.name = 'MK'
-  s.version = '1.17.0'
+  s.version = '1.18.0'
   s.license = { :type => "AGPLv3+", :file => "LICENSE" }
   s.summary = 'A Material Design Framework In Swift'
   s.homepage = 'http://materialkit.io'

Source/FabButton.swift

@@ -19,6 +19,16 @@
 import UIKit
 
 public class FabButton : MaterialButton {
+	/**
+		:name:	layoutSubviews
+	*/
+	public override func layoutSubviews() {
+		super.layoutSubviews()
+		if false == translatesAutoresizingMaskIntoConstraints {
+			prepareShape()
+		}
+	}
+	
 	//
 	//	:name:	prepareView
 	//

Source/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.17.0</string>
+	<string>1.18.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>