Issue #4 - Implement custom tails, ears, and taurs.

- Added datums and icons for custom ears.
- Added datums and icons for custom tails.
- Added datums and icons for taurs, now a subtype of tails.
- Integrated into icon_updates() for in game appearance.
- Integrated into preferences_setup() for character setup preview.
- Added ears and tails to the character setup screen.
- Enabled nagataur support for micro/macro step-over messages.

code/modules/client/preferences.dm

@@ -256,6 +256,11 @@ datum/preferences
 /datum/preferences/proc/copy_to(mob/living/carbon/human/character, safety = 0)
 	// Sanitizing rather than saving as someone might still be editing when copy_to occurs.
 	player_setup.sanitize_setup()
+
+	// VOREStation Edit - Start
+	player_setup.copy_to_mob(character)
+	// VOREStation Edit - End
+
 	if(be_random_name)
 		real_name = random_name(identifying_gender,species)