Major code cleanup and begin using new render buffer interface.
- src/mesa/drivers/windows/gdi/colors.h 13 additions, 523 deletionssrc/mesa/drivers/windows/gdi/colors.h
- src/mesa/drivers/windows/gdi/mesa.def 19 additions, 2 deletionssrc/mesa/drivers/windows/gdi/mesa.def
- src/mesa/drivers/windows/gdi/wgl.c 528 additions, 473 deletionssrc/mesa/drivers/windows/gdi/wgl.c
- src/mesa/drivers/windows/gdi/wmesa.c 948 additions, 3153 deletionssrc/mesa/drivers/windows/gdi/wmesa.c
- src/mesa/drivers/windows/gdi/wmesadef.h 19 additions, 160 deletionssrc/mesa/drivers/windows/gdi/wmesadef.h