Removed all old Serialization tags and methods
Potentially Breaking Change: Removed InventoryNode.ParentID - This was an old serlization hack. Use Data.ParentUUID instead
Add logic to copy region size info (if supplied) into Simulator class on instance creation.
Add region size fields to definitions of LoginResponse, EnableSimulator, TeleportFinishMessage, CrossedRegionMessage.
Add constants Simulator.DefaultRegionSizeX=256 and Simulator.DefaultRegionSizeY=256
Add display of region size in "RegionInfo" TestClient command