* S_Init -> S_InitSfxChannels because it did mostly SFX anyway
* S_MusicPlaying, S_MusicPaused, S_MusicName, S_MusicExists new status methods
* I_MusicPlaying, I_MusicPaused
(cherry picked from commit f5f0b5e76c)
* Actual indication of modified game status on the addons menu.
* Yes, I know this has nothing to do with the branch, I'm just doing little things I found useful.
* Enable SECTORSPECIALAFTERTHINK since we probably really want to use that sloped lava wave in RVZ.
* Allow for infinite lives to be set via the setlives command/Pandora's Box.
* Refactor P_DoFiring(), with guidance from Sal.
* Correct the CRAWLA HONCHO\nCAN NOW BECOME\nSUPER CRAWLA HONCHO sliding movement in non-green resolutions.
* Bomb sphere! Paraloopable hazard. Replaces MT_SPECIALSPIKEBALL.
* Blueberry bushes, both normal and Xmas, from patch.dta.
* BSZ tulips, also from patch.dta!
* Frozen Hillside badniks - Penguinator and Pophat.
* Frozen Hillside ice decoration!
* Fixed some big bugs with the DSZ light beams.
* Made multi-mare special stages work, in a troll way - the Chaos Emerald disappears in a puff of smoke, and the Spinbobert laughter sound plays... >:3c
* Reverted the mobjtype number changes from the source SOC/Lua, which we can do later when doing a final pass of the levels.
* State optimisation.
* Serious cruft-removal of the NiGHTS drone thinker.
* Fix the issues where the player wouldn't curl into jump in waterslides or dropping off rope-hangs.
* Tweak NiGHTS player flashing.
* Add text colour support to the titlecard font.
* Use that to make the PRESS SPIN\nMID-JUMP thing when you get all Chaos Emeralds use the titlecard font for readability.
* Fix the GOT ALL EMERALDS page not lasting the correct, extended amount of time.
* Fix that thing where flying mid-spin didn't enact autobrake.
* Modify graymap a little on Sryder's suggestion.
* [COMPLETELY UNRELATED] fix that thing where the addons menu will fail on files/paths with spaces in [/COMPLETELY UNRELATED]
* cv_powerupdisplay. Never, First-person only (default), Always.
* New monitor stuff.
* Fixed hitmessages.
* Some CTF stuff.
* Aaaaugh it's a lot I hate myself I need to work on my coursework.
* I'll figure out what I did here in the merge request when that's done.
* Make TIME part of HUD count down in a bunch of circumstances where it was otherwise some other seperate thing.
* Make race countdown happen in a bunch of appropriate circumstances.
* Refactor race countdown.
* Remove a lot of useless stuff from H&S/Tag UI.
* Make co-op/competition/race end-of-act countdown use the race countdown and bigger HUD font.
* Remove useless PLAYING/SPECTATE text from lives element.
* Merge lap counter into lives element.
* Move some other text around.
