apps/graphics/twm4nx: Adds some colors and better style control to support the CONTEMPORARY theme. Still getting a few artifacts on the display.
apps/graphics/twm4nx: Use custom CWidgetStyle to force Icon background to match selected desktop background.
apps/graphics/nxglyphs: Add more modern looking button images for the Twm4Nx CONTEMPORARY theme
apps/graphics/twm4nx: Add some definitions to support Themes. Background image is now optional.
