imported signalr 1.1.3 into NzbDrone.

src/Microsoft.AspNet.SignalR.Core/Messaging/TopicState.cs

@@ -0,0 +1,12 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.md in the project root for license information.
+
+namespace Microsoft.AspNet.SignalR.Messaging
+{
+    internal class TopicState
+    {
+        public const int NoSubscriptions = 0;
+        public const int HasSubscriptions = 1;
+        public const int Dying = 2;
+        public const int Dead = 3;
+    }
+}