This also simplifies things; SDL isn't initialized in the parent process.

Ditched signal_handler to avoid worrying about async-signal-safe functions.
D_QuitNetGame is not called, so players whose programs are interrupted by a
signal will time out from the server. Because the game runs in a child process,
the window can close before the "Signal Caught" text box appears.

"(core dumped)" is also included in the message if core dumping could be
determined.

memset SERVERINFO maptitle

See merge request STJr/SRB2Internal!624

Fix All the buidlbot issues

See merge request !520

Also for security I guess...

Remove patch.pk3 from cmake

See merge request !516

Rename CastleBot FaceStabber to Lance-a-Bot for maximum pun

See merge request STJr/SRB2Internal!622

Get 2.2(.0) release ready

Closes #461

See merge request STJr/SRB2Internal!615

Lengthen credits for msuic parity

See merge request STJr/SRB2Internal!620

Update SRB2 Community Contributors list for Revan's Nimbus Ruins skybox.

See merge request STJr/SRB2Internal!621