commander: correct the description array
commander: enhance the failsafe verbose output
state_machine_helper: whitespace
state_machine_helper: trying to clean up some failsafe logic
navigator: don't reset the finished flag, this fixes the strange problem where it toggles between MISSION and RTL
vehicle_status: whitespace
commander: make the failsafe message critical
state_machine_helper: fixed comments
fixed empty if body
navigator: move waypoint reached reset to a more obvious location
navigator: more reset reached calls
state_machine_helper: changed failsafe behaviour: always require at least one link for default, do RTGS as soon as datalink is lost if datalink loss mode is enabled
Merge pull request #1443 from PX4/fix_strangertl

Fix strange RTL behavior