Add new (incomplete) StandaloneProgrammer project, using the ELM Petite FAT library to read files stored on the board's dataflash by the host.

Change device demos which use the joystick to use the natural UP, DOWN, LEFT, RIGHT ordering in all demos when checking the joystick's position.

Extend incomplete RNDISHost demo -- can not enumerate a RNDIS device correctly and set the packet filter. No packets are received yet from the test device, need to investigate additional SET commands to see if any critical OIDs have been missed.