Redo of jitteriness and dizziness.
Fixes #2923

Conflicts:
	code/game/gamemodes/changeling/changeling_powers.dm
	code/game/mecha/equipment/weapons/weapons.dm
	code/modules/mob/living/carbon/human/life.dm
	code/modules/mob/mob.dm
	code/modules/mob/mob_defines.dm
	code/modules/reagents/Chemistry-Reagents.dm
Woops fucked up Tourette's
Also screwed up an examine bit.
Efficiency: Joblist