imported signalr 1.1.3 into NzbDrone.

src/Microsoft.AspNet.SignalR.Core/Transports/TransportConnectionExtensions.cs

@@ -0,0 +1,34 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.md in the project root for license information.
+
+using System.Threading.Tasks;
+using Microsoft.AspNet.SignalR.Infrastructure;
+using Microsoft.AspNet.SignalR.Messaging;
+
+namespace Microsoft.AspNet.SignalR.Transports
+{
+    internal static class TransportConnectionExtensions
+    {
+        internal static Task Close(this ITransportConnection connection, string connectionId)
+        {
+            return SendCommand(connection, connectionId, CommandType.Disconnect);
+        }
+
+        internal static Task Abort(this ITransportConnection connection, string connectionId)
+        {
+            return SendCommand(connection, connectionId, CommandType.Abort);
+        }
+
+        private static Task SendCommand(ITransportConnection connection, string connectionId, CommandType commandType)
+        {
+            var command = new Command
+            {
+                CommandType = commandType
+            };
+
+            var message = new ConnectionMessage(PrefixHelper.GetConnectionId(connectionId),
+                                                command);
+
+            return connection.Send(message);
+        }
+    }
+}