Navigation.AUV.Ranger: Fixed delay.
Transports/IridiumSBD: Added support for activation/deactivation.
Config: lauv-noptilus-2.ini: Enabled Iridium transports since they now support activation/deactivation.
Config: lauv-noptilus-3.ini: Enabled Iridium transports since they now support activation/deactivation.
Config: manta-11.ini: Enabled Iridium transports since they now support activation/deactivation.
Programs: distance_travelled: Added support for multiple vehicles.