Merge pull request #72 from alpaycli/ReadableInit

Made AlertView's init more readable.

Author: ivanvorobei

Sources/AlertKit/Views/AlertAppleMusic16View.swift

@@ -41,7 +41,7 @@ public class AlertAppleMusic16View: UIView, AlertViewProtocol {
         return view
     }()
 
-    public init(title: String?, subtitle: String?, icon: AlertIcon?) {
+    public init(title: String? = nil, subtitle: String? = nil, icon: AlertIcon? = nil) {
 
         if let title = title {
             let label = UILabel()

Sources/AlertKit/Views/AlertAppleMusic17View.swift

@@ -44,7 +44,7 @@ public class AlertAppleMusic17View: UIView, AlertViewProtocol, AlertViewInternal
         #endif
     }()
 
-    public init(title: String?, subtitle: String?, icon: AlertIcon?) {
+    public init(title: String? = nil, subtitle: String? = nil, icon: AlertIcon? = nil) {
 
         if let title = title {
             let label = UILabel()