Switch from GPLv2 to GPLv2+ Signed-off-by: Keith Packard <keithp@keithp.com>
altos: Update quaternion tests to check vectors_to_rotation Signed-off-by: Keith Packard <keithp@keithp.com>
altos: Add gyro-based orientation tracking This tracks the angle-from-vertical as an additional input to the pyro channels. Signed-off-by: Keith Packard <keithp@keithp.com>