Reintegrate mob fire

I took out the entire on_fire system to work on LINDA. This commit readds
it.

code/game/objects/items/devices/flash.dm

@@ -96,6 +96,10 @@
 
 	if(iscarbon(M))
 		flash_carbon(M, user, 5, 1)
+		if(overcharged)
+			M.adjust_fire_stacks(6)
+			M.IgniteMob()
+			burn_out()
 		return 1
 
 	else if(issilicon(M))

code/game/objects/items/weapons/cigs_lighters.dm

@@ -163,6 +163,9 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 
 /obj/item/clothing/mask/cigarette/process()
 	var/turf/location = get_turf(src)
+	var/mob/living/M = loc
+	if(isliving(loc))
+		M.IgniteMob()
 	smoketime--
 	if(smoketime < 1)
 		die()
@@ -449,7 +452,7 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 /obj/item/weapon/lighter/attack(mob/living/carbon/M as mob, mob/living/carbon/user as mob)
 	if(!isliving(M))
 		return
-//	M.IgniteMob() //linda shit do later
+	M.IgniteMob()
 	if(!istype(M, /mob))
 		return
 

code/game/objects/items/weapons/extinguisher.dm

@@ -157,6 +157,9 @@
 					for(var/atom/atm in get_turf(W))
 						if(!W) return
 						W.reagents.reaction(atm)
+						if(isliving(atm)) //For extinguishing mobs on fire
+							var/mob/living/M = atm
+							M.ExtinguishMob()
 
 					if(W.loc == my_target) break
 					sleep(2)

code/game/objects/items/weapons/tanks/watertank.dm

@@ -373,6 +373,8 @@
 			V.welded = 1
 			V.update_icon()
 			V.visible_message("<span class='danger'>[V] was frozen shut!</span>")
+		for(var/mob/living/L in T)
+			L.ExtinguishMob()
 	return
 
 /datum/effect/effect/system/freezing_smoke_spread

code/game/objects/items/weapons/tools.dm

@@ -267,7 +267,9 @@
 		var/turf/location = get_turf(user)
 		if (istype(location, /turf))
 			location.hotspot_expose(700, 50, 1)
-
+		if(isliving(O))
+			var/mob/living/L = O
+			L.IgniteMob()
 	return