Fix warnings

CircleMenu.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'CircleMenu'
-  s.version      = '2.0.1'
+  s.version      = '2.0.3'
   s.summary      = 'Amazing animation with buttons'
   s.homepage     = 'https://github.com/Ramotion/circle-menu'
   s.license      = 'MIT'

CircleMenu/ViewController.swift

@@ -32,7 +32,6 @@ class ViewController: UIViewController, CircleMenuDelegate {
     super.viewDidLoad()
     
     // add button
-    
     //        let button = CircleMenu(
     //            frame: CGRect(x: 200, y: 200, width: 50, height: 50),
     //            normalIcon:"icon_menu",

CircleMenuLib/CircleMenu.swift

@@ -25,8 +25,6 @@
 import UIKit
 
 // MARK: helpers
-
-
 func Init<Type>(_ value: Type, block: (_ object: Type) -> Void) -> Type {
   block(value)
   return value
@@ -476,11 +474,11 @@ open class CircleMenu: UIButton {
 
 internal extension Float {
   var radians: Float {
-    return self * (Float(180) / Float(M_PI))
+    return self * (Float(180) / Float.pi)
   }
   
   var degrees: Float {
-    return self  * Float(M_PI) / 180.0
+    return self  * Float.pi / 180.0
   }
 }
 

CircleMenuLib/CircleMenuLoader/CircleMenuLoader.swift

@@ -60,7 +60,7 @@ internal class CircleMenuLoader: UIView {
       arcCenter: CGPoint(x: radius, y: radius),
       radius: CGFloat(radius) - strokeWidth / 2.0,
       startAngle: CGFloat(0),
-      endAngle:CGFloat(M_PI * 2),
+      endAngle:CGFloat.pi * 2,
       clockwise: true)
     
     let circle = Init(CAShapeLayer()) {

README.md

@@ -10,16 +10,22 @@
 
 ## About
 This project is maintained by Ramotion, Inc.<br>
-We specialize in the designing and coding of custom UI for Mobile Apps and Websites.<br><br>**Looking for developers for your project?** [[▶︎CONTACT OUR TEAM◀︎](http://business.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=circle-menu-contact-us/#Get_in_Touch)]
+We specialize in the designing and coding of custom UI for Mobile Apps and Websites.<br><br>**Looking for developers for your project?** 
+
+<a href="http://business.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=circle-menu-contact-us/#Get_in_Touch" > <img src="https://github.com/Ramotion/navigation-stack/raw/master/contact_our_team@2x.png" width="150" height="30"></a>
 
 [![preview](./preview.gif)](https://dribbble.com/shots/2534780-Circle-Menu-Swift-Open-Source)
 
 
-The [iPhone mockup](https://store.ramotion.com/product/iphone-6-mockups?utm_source=gthb&utm_medium=special&utm_campaign=circle-menu) available [here](https://store.ramotion.com/product/iphone-6-mockups?utm_source=gthb&utm_medium=special&utm_campaign=circle-menu).
+The [iPhone mockup](https://store.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=circle-menu) available [here](https://store.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=circle-menu).
+
+## Try this UI control in action
+
+<a href="https://itunes.apple.com/app/apple-store/id1182360240?pt=550053&ct=gthb-circle-menu&mt=8" > <img src="https://github.com/Ramotion/navigation-stack/raw/master/Download_on_the_App_Store_Badge_US-UK_135x40.png" width="170" height="58"></a>
 
 ## Requirements
 
-- iOS 8.0+
+- iOS 9.0+
 - Xcode 7.3
 
 ## Installation
@@ -48,7 +54,7 @@ github "Ramotion/circle-menu"
 3) Use delegate method to configure buttons
 
 ```swift
-func circleMenu(circleMenu: CircleMenu, willDisplay button: CircleMenuButton, atIndex: Int)
+func circleMenu(circleMenu: CircleMenu, willDisplay button: UIButton, atIndex: Int)
 ```
 
 4) Use properties to confiure CircleMenu
@@ -78,13 +84,13 @@ view.addSubview(button)
 
 ```swift
 // configure buttons
-optional func circleMenu(circleMenu: CircleMenu, willDisplay button: CircleMenuButton, atIndex: Int)
+optional func circleMenu(circleMenu: CircleMenu, willDisplay button: UIButton, atIndex: Int)
 
 // call before animation
-optional func circleMenu(circleMenu: CircleMenu, buttonWillSelected button: CircleMenuButton, atIndex: Int)
+optional func circleMenu(circleMenu: CircleMenu, buttonWillSelected button: UIButton, atIndex: Int)
 
 // call after animation
-optional func circleMenu(circleMenu: CircleMenu, buttonDidSelected button: CircleMenuButton, atIndex: Int)
+optional func circleMenu(circleMenu: CircleMenu, buttonDidSelected button: UIButton, atIndex: Int)
 
 // call upon cancel of the menu
 optional func menuCollapsed(circleMenu: CircleMenu)