Major update

- Modified report descriptor (32 buttons, 3 pedals, X axis for the
wheel)
- Changed device info (name, vid, pid, etc.)
- Added mbed-rtos to support multiple threads
- Added the QEI library for the Wheel (rotary encoder)
- Added some files (Inputs, Multiplexer, Motors, etc.)
- Modified Makefile
- Removed not needed files in USBDevice