Corrected MeshManager, now work properly.
Removed TileManager and some statement in MapSpatialAppState since it was redundant.
Added a method exist() in MapData & conditional in MapEditorTest to handle ArrayIndexOutOfRange :
issue showing when doing multiple clic at the edge of the map.

Changed some variable name.
I don't know what dist.zip is but it have been delete... i guess it's a build, realy can't tell, just guessing.