game: made local lua functions static
ui: started proper Doxygen documentation, refs #610
generic: started proper Doxygen documentation, refs #610
server: started proper Doxygen documentation, refs #610
client: started proper Doxygen documentation, refs #610
renderer: started proper Doxygen documentation, refs #610
generic: started proper Doxygen documentation, refs #610
game: started proper Doxygen documentation, refs #610
client: started proper Doxygen documentation, refs #610
cgame: started proper Doxygen documentation, refs #610
misc: updated Doxygen configuration, refs #610