Updates IMobileControl interface. Adds VideoCodec.StopSharing() to EndShutdown() method in Vtc1 room

essentials-framework/Essentials Core/PepperDashEssentialsBase/DeviceTypeInterfaces/IMobileControl.cs

@@ -12,7 +12,7 @@ namespace PepperDash.Essentials.Core.DeviceTypeInterfaces
 
         void LinkSystemMonitorToAppServer();
 
-
+        IMobileControl GetAppServer();
     }
 
     /// <summary>
@@ -26,6 +26,8 @@ namespace PepperDash.Essentials.Core.DeviceTypeInterfaces
 
         string QrCodeUrl { get; }
 
+        string QrCodeChecksum { get; }
+
         string McServerUrl { get; }
 
         string RoomName { get; }