Include "is old" in the list of possible causes for a MD5 mismatch.

See merge request STJr/SRB2!1095

Merge udmf-next into next

See merge request !1075

Fix Credits sequence from Extras being unskippable

See merge request STJr/SRB2!1091

Add missing GCC version flags to the Makefile

See merge request STJr/SRB2!1087

Stretch the fallback titlecard to the screen

See merge request STJr/SRB2!1019

Console variable to select music preference

See merge request STJr/SRB2!939

G_FindMap and G_FindMapByNameOrCode for Lua

See merge request STJr/SRB2!693

This is because a server is not started before going to the credits. I'm way
too stupid/lazy to try starting a server, so have a special case!

Fix the Master Server so it works

See merge request STJr/SRB2!856

Fix OpenGL polyobject texture distortion

See merge request STJr/SRB2!1086

Clamp light level for shaders. Fixes #194.

Closes #194

See merge request STJr/SRB2!1085

Don't discard zero alpha fog block fragments. Fixes #198.

Closes #198

See merge request STJr/SRB2!1084

Port netticbuffer from Kart

See merge request STJr/SRB2!1077

NiGHTS fullbright fixes

See merge request STJr/SRB2!1080

Fix Super Sonic exploiting CA_FLOAT abilities

See merge request STJr/SRB2!1081

Fix crash if you start recording a replay and immediately close the game

See merge request STJr/SRB2!1082

AND OR PARENTHESIS

See merge request STJr/SRB2!1083

Allow modification of built-in skincolors

See merge request STJr/SRB2!1078

Fix muspostbossname sometimes returning garbage.

Closes #197

See merge request STJr/SRB2!1076