master
APM_Control: replace atof with strtof for float assignments
APM_Control: added a ground vehicle steering controller
APM_Control: AP_AutoTune: add static `axis_string` method
AMP_Control: move to common `get_airspeed` method
APM_Control: Pitch: rework `_get_coordination_rate_offset` function to make it easyier to understand.
APM_Control: replace ToRad with radians and ToDeg with degrees
APM_Control: change namespace of MultiCopter and FixedWing params
APM_Control: rename airspeed methods on AHRS to include EAS or TAS
APM_Control: update docs for new AC_PID parameters
APM_Control: replace AP_GPS::Status and AP_DAL_GPS::Status with AP_GPS_FixType
APM_Control: Add steering deceleration parameter for pivot turns
APM_Control: Convert to postype
AR_PosControl: remove velocity slew rate accessor