Added testGetLocationOnGrid
Removed two-parameter form of getLocationForCoordinates()
Added test for getLocationForCoordinates
Reformatting code slightly
Removed old LocationTest, added new empty test file
Reformatted code to reduce method complexity
Reformatted method order
Refactored equals() method
Made getAdjacentLocations() protected
Reformatted code
Refactored to reduce method complexity
Additional refactoring.  Still too many methods and fields, but for now it's unavoidable.
Rearranging
Removed ordinal fields
Added LocationUtil class, moved static methods into it
More refactoring