Changed low threshold in px4io firmware to 10% to ensure compatibility with user configured single channel, mode switches
Merge remote-tracking branch 'upstream/master' into mavlinkexternalsetpoints
navigator: NavigatorMode and MissionBlock API cleanup
Merge branch 'navigator_rewrite' into navigator_rewrite_drton
navigator: whitespace fix
Update estimator from Paul
navigator: API changes, reparing to move manual modes to navigator, WIP
Merge branch 'navigator_rewrite' into navigator_rewrite_drton
navigator: more API changes, duplicate code removed
navigator: mission mode fixed
Merge commit '857b843d445f59f2dc393e4d5f879fc56f77a0e0' into navigator_rewrite_drton
navigator: takeoff on start of mission implemented
hk micro pcb startup script
rc.autostart entry for hk micro pcb quad
sync with mavlink externalsetpoint branch

https://github.com/mavlink/mavlink/commit/0d55cc7e886f6d3c824f8436a39b9f9b36d0458f
Merge remote-tracking branch 'upstream/master' into mavlinkexternalsetpoints

Conflicts:
	mavlink/include/mavlink/v1.0/common/common.h
Merge remote-tracking branch 'upstream/mavlinkexternalsetpoints' into offboard2_merge

Conflicts:
	mavlink/include/mavlink/v1.0/common/common.h
Fix compile error: rename field in rc_channels.h
estimator: Fixed body / world matrix initialization and reset
Merge remote-tracking branch 'upstream/master' into hkmicropcb