imported signalr 1.1.3 into NzbDrone.

src/Microsoft.AspNet.SignalR.Core/Infrastructure/Purposes.cs

@@ -0,0 +1,11 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.md in the project root for license information.
+
+namespace Microsoft.AspNet.SignalR.Infrastructure
+{
+    // These need to change when the format changes
+    public static class Purposes
+    {
+        public const string ConnectionToken = "SignalR.ConnectionToken";
+        public const string Groups = "SignalR.Groups.v1.1";
+    }
+}