Moar Xeno bugfixes
Nerfed amount of spiders
Fixes metr-err- i mean slimes

Fixes #225
Powers fix right file
Updated Chemistry Colors
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
SMES fix?
Husking someone as a changeling will now display the victim's notes.

Conflicts:
	code/game/gamemodes/changeling/changeling_powers.dm
sanity checking to resolve runtimes
SMES fix (bis)
Fixed rad collector toxin drain bug

Removed bad code modifying variables directly and replaced it with a proc that correctly modifies the gas volume.
SAY HELO TO DNA2, N3X15'S AWFUL FUCKING RECODE OF DNA

Conflicts:
	baystation12.dme
	code/game/gamemodes/setupgame.dm
	code/game/objects/items/weapons/dna_injector.dm
	code/modules/mob/living/carbon/human/human.dm
	code/modules/mob/living/carbon/human/human_defines.dm
	code/modules/mob/new_player/new_player.dm
Now tested up to character join.
DNA modifiers work now.

Conflicts:
	code/defines/obj/hydro.dm
	code/game/machinery/cloning.dm
	code/game/machinery/hydroponics.dm
	code/modules/mob/living/carbon/zombie/zombie.dm
	code/modules/mob/transform_procs.dm
Debugging.
Additional debugging.  Switching to Bleeding to make a fix.
DNA modifier running again: Fix shitty defer logic, comment out debugging.

Conflicts:
	code/game/dna/dna2.dm
Add DNA2 difficulties.

Conflicts:
	code/game/dna/dna2.dm
	code/game/gamemodes/setupgame.dm
Clean up code, fix appearance randomization.
DNA Modifier works perfectly.  Code cleanup.

Conflicts:
	code/game/dna/dna_modifier.dm