* Use WorldObject phase mask field instead explicit aura scan. This allow have phase for any world objects.
* Add phase checks to packet broadcasters/object searchers. This let correctly work say/yell/area
and multi/random target spells/aggro assistance in phased areas or target selection.
* In GM-mode character presense (see and visible) in all phases except normal visibility efects including GM-visibility.
TODO: summoned objects phase set base at owner phase, load phase mask for creatures/gameobjects from DB, in game commands.
