IPC and nuke disk fixes

Fix for IPC revival
Prevents nuke disk from being inserted via cavity surgery

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

@@ -11,8 +11,15 @@
 		total_burn	+= O.burn_dam
 	health = 100 - getOxyLoss() - getToxLoss() - getCloneLoss() - total_burn - total_brute
 	//TODO: fix husking
-	if( ((100 - total_burn) < config.health_threshold_dead) && stat == DEAD) //100 only being used as the magic human max health number, feel free to change it if you add a var for it -- Urist
+	if( (((100 - total_burn) < config.health_threshold_dead) && stat == DEAD) && (!species.flags & IS_SYNTHETIC))//100 only being used as the magic human max health number, feel free to change it if you add a var for it -- Urist
 		ChangeToHusk()
+	if (species.flags & IS_SYNTHETIC)
+		var/datum/organ/external/H = get_organ(head)
+		if (!H.amputated)
+			if ((health >= (config.health_threshold_dead/100*75)) && stat == DEAD)  //need to get them 25% away from death point before reviving them
+				dead_mob_list -= src
+				living_mob_list += src
+				stat = CONSCIOUS
 	return
 
 /mob/living/carbon/human/getBrainLoss()

code/modules/power/cable.dm

@@ -630,6 +630,9 @@ obj/structure/cable/proc/cableColor(var/colorC)
 		if(S.burn_dam > 0 && use(1))
 			S.heal_damage(0,15,0,1)
 			user.visible_message("\red \The [user] repairs some burn damage on \the [M]'s [S.display_name] with \the [src].")
+			if(istype(M,/mob/living/carbon/human))
+				var/mob/living/carbon/human/H = M
+				H.updatehealth()
 			return
 		else
 			user << "Nothing to fix!"

code/modules/surgery/headreattach.dm

@@ -180,10 +180,6 @@
 		var/obj/item/weapon/organ/head/B = tool
 		if (B.brainmob.mind)
 			B.brainmob.mind.transfer_to(target)
-		if ((istype(B, /obj/item/weapon/organ/head/posi)) && (affected.status & ORGAN_ROBOT))  // cos you just know someone's going to put a robot head on a human body at some point!
-			dead_mob_list -= target
-			living_mob_list += target
-			target.stat = CONSCIOUS
 		target.update_body()
 		target.updatehealth()
 		target.UpdateDamageIcon()

code/modules/surgery/implant.dm

@@ -122,17 +122,20 @@
 	end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
 		var/datum/organ/external/chest/affected = target.get_organ(target_zone)
 
-		user.visible_message("\blue [user] puts \the [tool] inside [target]'s [get_cavity(affected)] cavity.", \
-		"\blue You put \the [tool] inside [target]'s [get_cavity(affected)] cavity." )
-		if (tool.w_class > get_max_wclass(affected)/2 && prob(50))
-			user << "\red You tear some vessels trying to fit such big object in this cavity."
-			var/datum/wound/internal_bleeding/I = new (15)
-			affected.wounds += I
-			affected.owner.custom_pain("You feel something rip in your [affected.display_name]!", 1)
-		user.drop_item()
-		affected.hidden = tool
-		tool.loc = target
-		affected.cavity = 0
+		if(istype(tool, /obj/item/weapon/disk/nuclear))
+			user << "Central command would kill you if you implanted the disk into someone."
+		else
+			user.visible_message("\blue [user] puts \the [tool] inside [target]'s [get_cavity(affected)] cavity.", \
+			"\blue You put \the [tool] inside [target]'s [get_cavity(affected)] cavity." )
+			if (tool.w_class > get_max_wclass(affected)/2 && prob(50))
+				user << "\red You tear some vessels trying to fit such big object in this cavity."
+				var/datum/wound/internal_bleeding/I = new (15)
+				affected.wounds += I
+				affected.owner.custom_pain("You feel something rip in your [affected.display_name]!", 1)
+			user.drop_item()
+			affected.hidden = tool
+			tool.loc = target
+			affected.cavity = 0
 
 	fail_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
 		var/datum/organ/external/chest/affected = target.get_organ(target_zone)
@@ -185,7 +188,7 @@
 				affected.implants -= obj
 
 				target.hud_updateflag |= 1 << IMPLOYAL_HUD
-				
+
 				//Handle possessive brain borers.
 				if(istype(obj,/mob/living/simple_animal/borer))
 					var/mob/living/simple_animal/borer/worm = obj