adds RD turtleneck to replace whimsy
readds RD updated krieger jumpsuit and updates turtleneck
Merge branch 'master' of https://github.com/tgstation/-tg-station into rdturtle

Conflicts:
	icons/mob/uniform.dmi
Merge pull request #5460 from paprka/rdturtle

Adds RD turtleneck and updates whimsy