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Merge branch 'master' of https://github.com/jaaplallie/MAPSS.git

Conflicts:
	MAPSS/APDescription.txt
Added a new grid. The CustomGrid. That version requires a list of
the neighbors of it's nodes.
The neighbors will later be used for pathfinding.

Added a few textfields and buttons to the gui. You can now make a customgrid.
This customgrid requires a special string. I will (hopefully)
replace that later for something more user friendly