Fixed several housing issues, see extended

Fixed an issue where players who weren't admins could access the
structure management terminal

Fixed an issue a person requesting the housing status page would see
their own name as the owner even if they weren't

Fixed an issue where the object service would encounter an error when
attempting to view child objects via an attachment

Added getFirstName and getLastName methods to the CreatureObject class

Possibly fixed an issue where items that were moveable would be picked
up via double-clicking