Remove rubber duck from BRW, RW and most weapon schemes for now The duck is not liked by players. Rubber duck needs a lot of rework. Before that happens, better remove it from game modes for now. Players can always modify the weapon schemes, of course.

foreach(dir
    Fonts
    Forts
    Graphics
    Locale
    Maps
    Missions
    Music
    Names
    Scripts
    Sounds
    Themes
    misc
    )
    add_subdirectory(${dir})
endforeach(dir)

if(${GL2})
    add_subdirectory(Shaders)
endif(${GL2})