dropping GCM support

src/Yavsc.Abstract/Workflow/IContact.cs

@@ -1,9 +1,7 @@
 namespace Yavsc
 {
-    using Abstract.Identity;
     public interface IContact
     {
-        IApplicationUser Owner { get; set; }
         string OwnerId { get; set; }
         string UserId { get; set; }
     }

src/Yavsc.Abstract/Workflow/IMobileDeviceDeclaration.cs

@@ -20,10 +20,9 @@ using System;
 
 namespace Yavsc
 {
-    public interface IGCMDeclaration
+    public interface IMobileDeviceDeclaration
     {
         string DeviceId { get; set; }
-        string GCMRegistrationId { get; set; }
         string Model { get; set; }
         string Platform { get; set; }
         string Version { get; set; }