Updated NuttX, only comment changes
Remove unneeded file
Add capability to read chip ID and revision from ver command
Let the uploader print the binary size
Motor test: optimize for size
Sensor drivers: Optimize for size
PX4IO driver: Optimize for size
Bottle drop: Optimize for size
SDLOG2: Optimize for size
Version command optimization
Systemlib: Add MCU version command. ver commandline tool: Add support for MCU version command
Make ROMFS less chatty
add on/off switch for learning and fix added uORB subs/pubs
Merge remote-tracking branch 'origin/master' into learntofly