Merge remote-tracking branch 'upstream/master' into linux

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Conflicts:
	src/drivers/rgbled/rgbled.cpp
	src/modules/commander/PreflightCheck.cpp
	src/modules/commander/airspeed_calibration.cpp
	src/modules/commander/calibration_routines.cpp
	src/modules/commander/gyro_calibration.cpp
	src/modules/commander/mag_calibration.cpp
	src/modules/mc_att_control/mc_att_control_main.cpp

src/modules/navigator/mission_feasibility_checker.cpp

@@ -134,7 +134,7 @@ bool MissionFeasibilityChecker::checkHomePositionAltitude(dm_item_t dm_current,
 {
 	/* Check if all all waypoints are above the home altitude, only return false if bool throw_error = true */
 	for (size_t i = 0; i < nMissionItems; i++) {
-		static struct mission_item_s missionitem;
+		struct mission_item_s missionitem;
 		const ssize_t len = sizeof(struct mission_item_s);
 
 		if (dm_read(dm_current, i, &missionitem, len) != len) {

src/modules/navigator/navigator_main.cpp

@@ -518,7 +518,7 @@ Navigator::start()
 	_navigator_task = task_spawn_cmd("navigator",
 					 SCHED_DEFAULT,
 					 SCHED_PRIORITY_DEFAULT + 20,
-					 1800,
+					 1700,
 					 (main_t)&Navigator::task_main_trampoline,
 					 nullptr);
 

src/modules/navigator/rtl_params.c

@@ -47,18 +47,6 @@
  * RTL parameters, accessible via MAVLink
  */
 
-/**
- * Loiter radius after RTL (FW only)
- *
- * Default value of loiter radius after RTL (fixedwing only).
- *
- * @unit meters
- * @min 20
- * @max 200
- * @group Return To Land
- */
-PARAM_DEFINE_FLOAT(RTL_LOITER_RAD, 50.0f);
-
 /**
  * RTL altitude
  *