Turns movable chairs on click
Fixes blood on wheelchair
Fixes teleporting while buckled
Stops buckled mobs from slipping (for now)

Conflicts:
	code/game/turfs/simulated.dm
Fixes in wheelchair and different handling of movement

Conflicts:
	code/game/objects/structures/stool_bed_chair_nest/bed.dm
	code/modules/mob/mob.dm
Minor code cleanup

Conflicts:
	code/modules/mob/mob_movement.dm
Fixes wrong person getting movement penalty