Merged slipping fix commits

- Fixes slipping when lying down
- Nothing more
- First try to merge commits
Merge branch 'slipFix' of https://github.com/Perakp/-tg-station into slipFix

Conflicts:
	code/game/objects/items/devices/PDA/PDA.dm
	code/game/turfs/simulated.dm
	code/modules/mob/mob_movement.dm