Added/Removed from Item/Costume Shop

Added Bubblegum for 100 coins
Removed Puppy Hat - use Martin's quest instead
Readded Necromancer's Hood
Dropped price of Zeny Scroll from 2 to 1
Revert "Added/Removed from Item/Costume Shop"

This reverts commit 629bc76ea0f970dbba5644f3c04077a459b35630.