Alt head tweaks

Todo: CMA/morph support for alt heads.
Known issues: Can't change alt head on the fly, icon won't update
properly

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

@@ -1584,7 +1584,8 @@
 		H.g_headacc = 0
 		H.b_headacc = 0
 
-	reset_markings()
+	m_styles = initial(m_styles) //Wipes out markings, setting them all to "None".
+	m_colours = initial(m_styles) //Defaults colour to #00000 for all markings.
 
 	if(!dna)
 		dna = new /datum/dna(null)

code/modules/mob/living/carbon/human/species/station.dm

@@ -122,8 +122,6 @@
 	reagent_tag = PROCESS_ORG
 	flesh_color = "#AFA59E"
 	base_color = "#333333"
-	//Default styles for created mobs.
-	default_headacc = "Tajaran Ears"
 	butt_sprite = "tajaran"
 
 	has_organ = list(

code/modules/mob/new_player/sprite_accessories.dm

@@ -1966,7 +1966,7 @@
 /datum/sprite_accessory/body_markings/head/snout_round_lower_una
 	name = "Unathi Round Snout - Lower"
 	species_allowed = list("Unathi")
-	icon_state = "markings_face_snout_round_lower_una"
+	icon_state = "markings_face_snout_lower_una"
 
 /datum/sprite_accessory/body_markings/head/snout_sharp_una
 	name = "Unathi Sharp Snout"
@@ -1977,7 +1977,7 @@
 /datum/sprite_accessory/body_markings/head/snout_sharp_lower_una
 	name = "Unathi Sharp Snout - Lower"
 	species_allowed = list("Unathi")
-	icon_state = "markings_face_snout_sharp_lower_una"
+	icon_state = "markings_face_snout_lower_una"
 	heads_allowed = list("Unathi Sharp Snout")
 
 /datum/sprite_accessory/body_markings/head/optics

code/modules/surgery/organs/organ_icon.dm

@@ -141,10 +141,7 @@ var/global/list/limb_icon_cache = list()
 			else
 				if(limb_name == "head")
 					var/obj/item/organ/external/head/head_organ = src
-					if(head_organ.alt_head)
-						var/datum/sprite_accessory/alt_heads/alternate_head = alt_heads_list[head_organ.alt_head]
-						if(alternate_head.icon_state)
-							icon_name = alternate_head.icon_state
+					head_organ.handle_alt_icon()
 
 				if(status & ORGAN_MUTATED)
 					mob_icon = new /icon(species.deform, "[icon_name][gender ? "_[gender]" : ""]")

code/modules/surgery/organs/subtypes/standard.dm

@@ -194,3 +194,9 @@
 				disfigure("brute")
 		if(burn_dam > 40)
 			disfigure("burn")
+
+/obj/item/organ/external/head/proc/handle_alt_icon()
+	if(alt_head)
+		var/datum/sprite_accessory/alt_heads/alternate_head = alt_heads_list[alt_head]
+		if(alternate_head.icon_state)
+			icon_name = alternate_head.icon_state