Replaces /image with /mutable_appearance (#556)

* Replaces /image with /mutable_appearance, where appropriate

* Update miscellaneous.dm

* Delete miscellaneous.dm.rej

* Delete pet.dm.rej

* Update pet.dm

* Update species.dm

* Update miscellaneous.dm

* Update species.dm

* Update miscellaneous.dm

* Delete species.dm.rej

* Update species.dm

pretty sure I got all the indentation correct THIS time, ffs

* Update species.dm

* Update species.dm

fucking tabs man, fucking tabs.

code/modules/mob/living/silicon/robot/life.dm

@@ -102,11 +102,11 @@
 	return
 
 /mob/living/silicon/robot/update_fire()
-	var/I = image("icon"='icons/mob/OnFire.dmi', "icon_state"="Generic_mob_burning")
+	var/mutable_appearance/fire_overlay = mutable_appearance('icons/mob/OnFire.dmi', "Generic_mob_burning")
 	if(on_fire)
-		add_overlay(I)
+		add_overlay(fire_overlay)
 	else
-		cut_overlay(I)
+		cut_overlay(fire_overlay)
 
 /mob/living/silicon/robot/update_canmove()
 	if(stat || buckled || lockcharge)

code/modules/mob/living/silicon/robot/robot.dm

@@ -38,7 +38,7 @@
 	var/obj/item/module_active = null
 	held_items = list(null, null, null) //we use held_items for the module holding, because that makes sense to do!
 
-	var/image/eye_lights
+	var/mutable_appearance/eye_lights
 
 	var/mob/living/silicon/ai/connected_ai = null
 	var/obj/item/weapon/stock_parts/cell/cell = null
@@ -629,7 +629,7 @@
 		else
 			add_overlay("ov-opencover -c")
 	if(hat)
-		var/image/head_overlay = hat.build_worn_icon(state = hat.icon_state, default_layer = 20, default_icon_file = 'icons/mob/head.dmi')
+		var/mutable_appearance/head_overlay = hat.build_worn_icon(state = hat.icon_state, default_layer = 20, default_icon_file = 'icons/mob/head.dmi')
 		head_overlay.pixel_y += hat_offset
 		add_overlay(head_overlay)
 	update_fire()