imported signalr 1.1.3 into NzbDrone.

src/Microsoft.AspNet.SignalR.Core/Json/IJsonWritable.cs

@@ -0,0 +1,18 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.md in the project root for license information.
+
+using System.IO;
+
+namespace Microsoft.AspNet.SignalR.Json
+{
+    /// <summary>
+    /// Implementations handle their own serialization to JSON.
+    /// </summary>
+    public interface IJsonWritable
+    {
+        /// <summary>
+        /// Serializes itself to JSON via a <see cref="System.IO.TextWriter"/>.
+        /// </summary>
+        /// <param name="writer">The <see cref="System.IO.TextWriter"/> that receives the JSON serialized object.</param>
+        void WriteJson(TextWriter writer);
+    }
+}