Added board hardware driver support for the BUI development board.

LUFA.pnproj

LUFA/CodeTemplates/DriverStubs/LEDs.h

LUFA/Common/BoardTypes.h

LUFA/Drivers/Board/ATAVRUSBRF01/Buttons.h

LUFA/Drivers/Board/ATAVRUSBRF01/LEDs.h

LUFA/Drivers/Board/BENITO/Buttons.h

LUFA/Drivers/Board/BENITO/LEDs.h

LUFA/Drivers/Board/BUI/LEDs.h

LUFA/Drivers/Board/BUMBLEB/Buttons.h

LUFA/Drivers/Board/BUMBLEB/Joystick.h

LUFA/Drivers/Board/BUMBLEB/LEDs.h

LUFA/Drivers/Board/EVK527/AT45DB321C.h

LUFA/Drivers/Board/EVK527/Buttons.h

LUFA/Drivers/Board/EVK527/Dataflash.h

LUFA/Drivers/Board/EVK527/Joystick.h

LUFA/Drivers/Board/EVK527/LEDs.h

LUFA/Drivers/Board/JMDBU2/Buttons.h

LUFA/Drivers/Board/JMDBU2/LEDs.h

LUFA/Drivers/Board/LEDs.h

LUFA/Drivers/Board/OLIMEX162/LEDs.h