Merge pull request #87 from alex-gh/bs12cherrypicks2

A few more fixes from BS12 dev branch.

code/modules/mob/living/carbon/human/life.dm

@@ -923,8 +923,8 @@
 
 			if(nutrition > 500)
 				nutrition = 500
-			if(light_amount > 2) //if there's enough light, heal
-				heal_overall_damage(1,1)
+			if(light_amount > 5) //if there's enough light, heal
+				adjustBruteLoss(-1)
 				adjustToxLoss(-1)
 				adjustOxyLoss(-1)
 		if(dna && dna.mutantrace == "shadow")

code/modules/organs/organ_external.dm

@@ -891,8 +891,8 @@ obj/item/weapon/organ/head/New(loc, mob/living/carbon/human/H)
 
 	H.regenerate_icons()
 
-	H.stat = 2
-	H.death()
+	brainmob.stat = 2
+	brainmob.death()
 
 obj/item/weapon/organ/head/proc/transfer_identity(var/mob/living/carbon/human/H)//Same deal as the regular brain proc. Used for human-->head
 	brainmob = new(src)