imported signalr 1.1.3 into NzbDrone.

src/Microsoft.AspNet.SignalR.Core/Tracing/ITraceManager.cs

@@ -0,0 +1,12 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.md in the project root for license information.
+
+using System.Diagnostics;
+
+namespace Microsoft.AspNet.SignalR.Tracing
+{
+    public interface ITraceManager
+    {
+        SourceSwitch Switch { get; }
+        TraceSource this[string name] { get; }
+    }
+}