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/Accounting/AccountHandler.cs

@@ -252,7 +252,7 @@ namespace Server.Misc
                 }
                 else
                 {
-                    Console.WriteLine("Client: {0}: Deleting character {1} (0x{2:X})", state, index, m.Serial.Value);
+                    state.WriteConsole("Deleting character {0} (0x{1:X})", index, m.Serial.Value);
 
                     acct.Comments.Add(new AccountComment("System", $"Character #{index + 1} {m} deleted by {state}"));