Depth data: CTD will also output depth message and small adjustments in Keller sensor.
UAV configurations: Adding messages to see a log book in MRA.
Maneuver.FollowReference: Comparing two References now accounts for radius parameter.
Navigation: use depth measurements from other providers.
Only navigation is allowed to manipulate Depth and DepthOffset measurements.
Imagenex837B: inverted direction.
Simulators.DVL: now it is possible to modify active status.
Navigation.AUV.SGNavigation: use RPM when DVL is turned off.
Simulators.GPS: modified some of the parameters when invalid ranges are reported.
Simulators.Dummy: there's no need to keep this enabled in Simulation.
Navigation.AUV.SGNavigation: better body-fixed velocity updater.
Navigation.AUV.SGNavigation: also check absence of GPS fixes.
GSMUX: added using namespace std.
GSMUX: added using namespace std.
Control.UAV.Ardupilot: near is a keyword for Windows.
GSMUX: cleaned up a few conversion warnings.
Sensors.Edgetech2205: implemented proper trigger coupling with SSL as master.
Configuration: Added system x8-01.
IMC: Merged with IMC. New message DataSanity.
Merge branch 'master' into feature/reboot_dvl

Need message DataSanity.