Some cleanup stuff for prior commits.
Added a 'controller' for shuttles (really just a data container), fixed up the admin shuttle verbs into one general verb, changed shuttles to use controller instead of populating lists at spawn.

Conflicts:
	code/controllers/master_controller.dm
	code/modules/admin/admin.dm
Update shuttle.dm

Corrected a mistake.
Moved the Vox skipjack console over to a multi-destination shuttle datum setup.

Conflicts:
	baystation12.dme
	code/game/gamemodes/vox/heist/heist.dm
	code/game/machinery/computer/vox_shuttle.dm
Converted Syndicate shuttle over to multi-shuttle setup.

Conflicts:
	baystation12.dme
	code/game/gamemodes/nuclear/pinpointer.dm
Fix syndie shuttle computer
Moved the supply shuttle arrival/departure over to the shuttle datum. Needs testing, probably going to break.