Improve landing, update OSD, BB names, smooth Pitch, sanity bugfix
Bugfix potential sanity check failure on negative ascent or slow descent
Bugfix sanity failure on low climb authority builds
Update GPS Rescue OSD, CLI, Blackbox names and sequence
Allow zero climb altitude and return speed
Change some GPS Rescue altitude names
max rescue yaw rate = 180 deg/s
check yaw error angle faster update rate
Yaw faster
Initate yaw smoothly.
Increase throttle D during faster descents
climb without rotating
smoother transition to fly home
fix maxAlt bug by using float
update heading debug to include groundSpeed etc
altitude lowpass default 3Hz not 4Hz
increase disarm threshold from 1.0g to 1.5g
PT3 on pitch at 4Hz.