Replacing Networking (#271)

- [X] Removing Kestrel & Libuv
- [X] Cleaning up NetState
- [X] Removing System.IO.Pipelines
- [X] Cleaning up packet reading
- [X] Adds a maximum of 5000 sockets (configurable) to prevent OOM
- [X] Replaces the AsyncState with a thread-safe wrapped boolean called NetworkState
- [X] Removes Parallel.ForEach (no perf gain)
- [X] Removes custom houses compression on another thread
- [X] Test high load scenarios

Bumps release version

Projects/UOContent/Misc/ClientVerification.cs

@@ -171,7 +171,7 @@ namespace Server.Misc
         {
             if (ns.Connection != null)
             {
-                Console.WriteLine("Client: {0}: Disconnecting, bad version", ns);
+                ns.WriteConsole("Disconnecting, bad version");
                 ns.Dispose();
             }
         }