Core/Maps: Fixed Map::IsInWater returning true at any height above water
Core/Creatures

* Refactored setting movement flags into separate method
* Falling creatures are no longer treated as flying for movement flag setting purposes
Core/PacketIO: Send item create object blocks only to their owner
Update README
DB/Creature: Fix startup error
More organizing of sql/old, hooray!
Merge pull request #9983 from LeGuybrush/organize-

More organizing of sql/old, hooray!
DB/Quests: Fix Danger! Explosives!, closes #6850 closes #9458