adds random jumpsuit colors for assistants
cleaned up code and added orange jumpsuits
reverts metastation
moved psychadelic jumpsuit and repathing
Fixes the superimposing of airlock sound by changing one close() to autoclose()
Merge branch 'master' of https://github.com/tgstation/-tg-station into removegreyshirt

Conflicts:
	icons/mob/uniform.dmi
fixes DME
Merge pull request #5238 from paprka/removegreyshirt

Adds random jumpsuit colors for assistants
Merge pull request #5273 from phil235/airlocksoundfix

Fix for #4565