imported signalr 1.1.3 into NzbDrone.

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

@@ -0,0 +1,10 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.md in the project root for license information.
+
+namespace Microsoft.AspNet.SignalR.Infrastructure
+{
+    public interface IProtectedData
+    {
+        string Protect(string data, string purpose);
+        string Unprotect(string protectedValue, string purpose);
+    }
+}