Fixed Bug 8260

Fixed issue with map zone inheritance failing to inherit subtype, and fixed MOB_BOSS subtype criteria in order to separate from non-MOB_BOSS.
Special Thanks to Angelmelody, Michieru.
http://hercules.ws/board/tracker/issue-8260-the-uint-type-of-map-zone-system-was-not-working-properly/

Signed-off-by: shennetsind <ind@henn.et>