(ctor) EscortObjective()
      (ctor) EscortObjective( QuestArea destination )
      QuestArea Destination( get; set; )
      virtual bool CanOffer( IQuestGiver quester, PlayerMobile pm, bool message )
      virtual BaseObjectiveInstance CreateInstance( MLQuestInstance instance )
      virtual void WriteToGump( Gump g, ref int y )