CORE: added ItemStolen variable to mob entity - used to prevent multiple...

... steals from same mob and to trigger win condition for THF maat fight. created lua base entity function setStolen() to set ItemStolen = 1 on successful steal. give maat a warp scroll by assigning him a hardcoded dropID and creating a db entry for it. clean up TODOs for mob mug gil pool b/c I already implemented it