etc/hexa-00.ini: Added configuration files
etc/hexa-sitl.ini: Configuration changes.
IMC_Addresses: Added hexa-00
IMC: Added ArduPilotMotorControl message

IMC: Added ArdupilotPwm message
CMake: Added a target to create startup-scripts for Flightgear
Simulators.Multicopter: Added simulator task for multicopters
Transports.ArdupilotSITL: Added a task to be an interface between an APM SIL simulation and Dune
Transports.Flightgear: Added option to generate ardupilot pwm input signals
UserInterfaces.RCViaArdupilot: Added a taks to enable an SPM to be used as an RC input device