bit more friction. remove gstSubmersible clearing. was for the old "sea" thing that is totally gone now. As a general attribute, better to let other stuff clear it as needed.
foreach(dir "Fonts" "Forts" "Graphics" "Locale" "Maps" "Music" "Sounds" "Themes" "Missions" "Names" "misc" "Scripts")
add_subdirectory(${dir})
endforeach(dir)
if(${GL2})
add_subdirectory(Shaders)
endif(${GL2})