[0671] - UnitClass

* Set proper unitclasses for summoned wl-pets
[Revert]
[0671] NPC: Kobold Laborer - Faction

* Prior to patch 3.3, Kobold Laborer, located in the Northshire, Valley were hostile.
  I assume the used faction is correct, there are just 2 factions for Kobolds, one is neutral, one is hostile.
  Fix: https://github.com/classicdb/database/issues/532