Cleaned orego.core.Colors.
Replace spellOutColorName() with COLOR_NAMES.
Added a clarifying comment to Colors.colorToString().
Changed capitalization and initialization of static fields in Coordinates that are no longer constants.
Removed extraneous methods from Coordinates.
Renamed getOnBoard() to isOnBoard(), plus other cleanup in Coordinates.
Renamed getThirdOrFourthLine() to isOnThirdOrFourthLine() and added an argument.
Finished cleaning Coordinates.