New approach to the low-res problem. Basically, we already have a 1024 minimum, and the tallest maps are restricting themselves to 2048 maximum. All backgrounds are scaled down 50%, then scaled up on draw. Saves memory, and backgrounds are already deliberately fuzzed for depth of field anyway.

install(FILES
	map.png
	map.cfg
	preview.png
	DESTINATION ${SHAREPATH}Data/Maps/Tree)