Updated all suicide_act()s to use a new span class, 'suicide'.

Conflicts:
	code/game/objects/items/stacks/sheets/glass.dm
	code/game/objects/items/weapons/melee/energy.dm
	code/game/objects/items/weapons/melee/misc.dm
	code/game/objects/items/weapons/stunbaton.dm
	code/game/objects/items/weapons/weaponry.dm
	code/modules/hydroponics/growninedible.dm
	code/modules/hydroponics/hydroitemdefines.dm
	code/modules/surgery/tools.dm
	code/stylesheet.dm