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/carbon/monkey/update_icons.dm

@@ -34,8 +34,7 @@
 			hair_hidden = 1
 	if(!hair_hidden)
 		if(!getorgan(/obj/item/organ/brain)) //Applies the debrained overlay if there is no brain
-			var/image/I = image("icon"='icons/mob/human_face.dmi', "icon_state" = "debrained", "layer" = -HAIR_LAYER)
-			overlays_standing[HAIR_LAYER] = I
+			overlays_standing[HAIR_LAYER] = mutable_appearance('icons/mob/human_face.dmi', "debrained", -HAIR_LAYER)
 			apply_overlay(HAIR_LAYER)
 
 
@@ -45,9 +44,9 @@
 /mob/living/carbon/monkey/update_inv_legcuffed()
 	remove_overlay(LEGCUFF_LAYER)
 	if(legcuffed)
-		var/image/standing = image("icon"='icons/mob/mob.dmi', "icon_state"="legcuff1", "layer"=-LEGCUFF_LAYER)
-		standing.pixel_y = 8
-		overlays_standing[LEGCUFF_LAYER] = standing
+		var/mutable_appearance/legcuff_overlay = mutable_appearance('icons/mob/mob.dmi', "legcuff1", -LEGCUFF_LAYER)
+		legcuff_overlay.pixel_y = 8
+		overlays_standing[LEGCUFF_LAYER] = legcuff_overlay
 	apply_overlay(LEGCUFF_LAYER)