fix dependcy versions: iOS building

iOS/Main.cs

@@ -1,15 +1,13 @@
 using UIKit;
+using System;
 
 namespace qController.iOS
 {
     public class Application
     {
-        // This is the main entry point of the application.
         static void Main(string[] args)
         {
-            // if you want to use a different Application Delegate class from "AppDelegate"
-            // you can specify it here.
-            UIApplication.Main(args, null, "AppDelegate");
+            UIApplication.Main(args, null, typeof(AppDelegate));
         }
     }
 }