* Exchange costumes is now fully based on KRO, to get rid of TWRO customizations.
* Fixes wrong enchant stone box rewards.
* Removes custom costumes from possible enchant lists. (this list is most likely still inaccurate)
Fixes#6206
* Initial implementation of the costume exchange NPC in malangdo
* Initial implementation of the costume enchant npc 'Aver De Dosh'
* Initial implementation of the costume enchant npc 'Lace La Zard'
* Added the groups box IG_Enchant_Stone_Box (number 5 to 15)
* Updated the aegis item name of the costumes
* Corrected the equipment location of some costumes
Thanks to @RagnaWay, @peney7 and @teededung for the review !
