Remove the nrf module
Merge https://github.com/moon-bear/QuadcopterFlightControl into nrf_remove
Separate the old serial files (platform, interface)
Merge branch 'nrf_remove'
Move "platform" and "interface" into directory "driver"
Separate the old led files
Separate the old motor files
Remove the old motor files
Separate the old sensor files
Separate the old i2c files