imported signalr 1.1.3 into NzbDrone.

src/Microsoft.AspNet.SignalR.Core/Hosting/ResponseExtensions.cs

@@ -0,0 +1,33 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.md in the project root for license information.
+
+using System;
+using System.IO;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Microsoft.AspNet.SignalR.Hosting
+{
+    /// <summary>
+    /// Extension methods for <see cref="IResponse"/>.
+    /// </summary>
+    public static class ResponseExtensions
+    {
+        /// <summary>
+        /// Closes the connection to a client with optional data.
+        /// </summary>
+        /// <param name="response">The <see cref="IResponse"/>.</param>
+        /// <param name="data">The data to write to the connection.</param>
+        /// <returns>A task that represents when the connection is closed.</returns>
+        public static Task End(this IResponse response, string data)
+        {
+            if (response == null)
+            {
+                throw new ArgumentNullException("response");
+            }
+
+            var bytes = Encoding.UTF8.GetBytes(data);
+            response.Write(new ArraySegment<byte>(bytes, 0, bytes.Length));
+            return response.End();
+        }
+    }
+}