navigator: switch to READY instead of LOITER if landed
navigator: ignore min altitude on MC, loiter always at current altitude
commander: allow arming from RC with safety enabled in HIL mode
mc_att_control: parameters descriptions added
mc_pos_control: parameters descriptions added
navigator: parameters descriptions cleanup
commander: GPS loss handling, more failsafe code
openloop loitering for fixedwing
Merge remote-tracking branch 'upstream/beta' into beta_failsafe
rename control mode flags