remove resource type, need to fix analyze button
kethane overlay methods, remove resource coverage references
update old persistent data to new type, remove references to resource type
combine scanners into one int array, methods to save and load new and old persistent data
overlay mostly ready, still requires kethane.dll
fix memory leak, remove references to resource type

The color swatches on the right were causing a memory leak when the big
map is open, not sure why