Added underwear rendering to character setup screen

Also culled unused underwear names from global_lists.dm
Merge pull request #4368 from Loganbacca/prefs

Character setup underwear rendering
Escape shuttle modified after feedback.

Wall emergency lockers now contain two breath masks and two emergency oxygen tanks.

Emergency ration crates contain two boxes of donk-pockets. The escape shuttle has two crates at the back.
Merge branch 'dev' of https://github.com/Baystation12/Baystation12 into dev