Merge in next and don't billboard papersprites in GL

See merge request STJr/SRB2!488

# Conflicts:
#	src/p_user.c

Ban IP command

See merge request STJr/SRB2!460

Don't count down wait timer when executing a command line

See merge request STJr/SRB2!483

OpenGL Sprite Billboarding

See merge request STJr/SRB2!485

add parentheses around these conditions to fix sloped lights cutting out lights on FOF walls for apparently no reason

not making a merge request because this is so laughably stupidly simple

Don't enable UPnP support if NONET is defined.

See merge request STJr/SRB2!484

Should work on both normal and precipitation sprites.
Sprites that are split by lighting should work correctly.

Console quality of life changes

See merge request STJr/SRB2!479

Keep console open in certain instances

See merge request STJr/SRB2!480

Basically, changing to a lower resolution won't cause your console to extend
past the screen anymore.

jameds authored 7 years ago and James R. committed 6 years ago

And this works by inserting the same color code on each wrapped line.

Buildbot changes

See merge request STJr/SRB2!477

Dedicated server credits fix

See merge request STJr/SRB2!476

MI's side discolor fix

See merge request STJr/SRB2!475

Gametype strings backport

See merge request STJr/SRB2!473

Fix credits gamestate in dedicated mode, by properly separating the timer variable code from the drawing code in a semi-hacky way