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/Engines/Chat/Chat.cs

@@ -73,15 +73,15 @@ namespace Server.Engines.Chat
                     return;
                 }
 
-                var lang = reader.ReadStringSafe(4);
+                var lang = reader.ReadAsciiSafe(4);
                 int actionID = reader.ReadInt16();
-                var param = reader.ReadUnicodeString();
+                var param = reader.ReadBigUniSafe();
 
                 var handler = ChatActionHandlers.GetHandler(actionID);
 
                 if (handler == null)
                 {
-                    Console.WriteLine("Client: {0}: Unknown chat action 0x{1:X}: {2}", state, actionID, param);
+                    state.WriteConsole("Unknown chat action 0x{0:X}: {1}", actionID, param);
                     return;
                 }