more safe groups store cleanup at startup. related to #1345, testing
finally remove very old "bool-locking" aura subsystem, use AuraPair instead if need. NEED TEST! related to #1344
some safety in QuestHandler (works after TransportKit part8). related to #1344
implement TransportKit (part13)
    - move Transport loading methods and transport container from MapManager class to ObjectManager. No any principial changes.
add and use ActivateGrid() method for use in some special cases. testing.
SD2 update