Add tile map support in Urho2D, current not all of features are supported in Urho2D, but I think we can add it later. Fore more information about tile map, please refer http://www.mapeditor.org/.
Change tile size to float, fix bug, change Desert.png.
Add image layer support.
Add object group.
Add properties.
Add tile properties.
Add visible property to layer.
Move some functions from header file to source file. For all of objects create node for it.
Refactor tile map.
refactor tile map code.
Change Properties2D derived from RefCounted.
Remove some functions.[ci skip]
Move tile object define to TileMapDefs2D. Add half pixel offset in Direct3D mode.
Add tile map Lua binding and sample.
Add tile map AngelScript binding and sample.
Add tile set TSX support.
Add isometric map support.
Add missing class declartion.
Add tile map AngelScript sample.
Fix typo.