Initial check-in of graphics.Polygon.
Initial check-in of graphics.Polygon.

mdittmer/foam,jlhughes/foam,mdittmer/foam,jacksonic/foam,foam-framework/foam,foam-framework/foam,foam-framework/foam,jlhughes/foam,foam-framework/foam,jlhughes/foam,mdittmer/foam,jacksonic/foam,jacksonic/foam,mdittmer/foam,foam-framework/foam,jacksonic/foam,jlhughes/foam