HMC5883: Do not spam the console on error and make everything worse.
airspeed driver: Do not spam the console on error, report the system change only once
airspeed: Let the status check routine handle the initial state
Merge branch 'sensor_err_handling' into ekf_params
Updated estimator, not using optical flow for now until proven on the bench
ekf_att_pos_estimator: Using right app name
att_pos_estimator_ekf: Update filter to new filter API
Added debug macro for EKF. Fixed mag state handling which was only partially stored in correct states and not properly reset on init / dynamic reset
ekf_att_pos_estimator: Fixed mag initialization, now starts with initial measurement instead of defaults for faster convergence
Merge remote-tracking branch 'upstream/master' into mtecs_takeoff
Merge branch 'ArmDisarm' of github.com:DonLakeFlyer/Firmware into ekf_params
Merge remote-tracking branch 'upstream/master' into mtecs
mavlink: remaining battery scaling fixed
Merge pull request #844 from PX4/mavlink_batt_fix

mavlink: remaining battery scaling fixed
Changed home position set to depend on the commander home position switch
Added home position switch on GPS position - gives a more reliable home position setup
Merge branch 'mtecs_takeoff' into mtecs
simple underspeed protection for mtecs
fw_att_pos_estimator: added simple in-air/on-ground detector
navigator: lot's of cleanup (WIP)