Merge pull request #17 from jtattermusch/we-dont-need-no-backup-fix-unknown-handler

C# unknown method handler no longer needs to finish the request stream

src/csharp/Grpc.Core/Internal/AsyncCallServer.cs

@@ -107,6 +107,7 @@ namespace Grpc.Core.Internal
 
                 call.StartSendStatusFromServer(status, HandleHalfclosed);
                 halfcloseRequested = true;
+                readingDone = true;
                 sendCompletionDelegate = completionDelegate;
             }
         }

src/csharp/Grpc.Core/Internal/ServerCallHandler.cs

@@ -267,8 +267,6 @@ namespace Grpc.Core.Internal
             var responseStream = new ServerResponseStream<byte[], byte[]>(asyncCall);
 
             await responseStream.WriteStatusAsync(new Status(StatusCode.Unimplemented, "No such method."));
-            // TODO(jtattermusch): if we don't read what client has sent, the server call never gets disposed.
-            await requestStream.ToList();
             await finishedTask;
         }
     }