snark-ur5-control: scan command will now except a 6th parameter if given, it is optional, this is the sweep_angle.
snark-ur5-control & config.h & waypoints_follower: added sweep_velocity to config file.
snark-ur5-control.cpp & commands_handler: removed code for tilt_sweep as it is now handled by Simulink.
snark-ur5-control: lidar data if scanned is forwarded on scan-fording-port in config file.
Merge branch 'master' of https://github.com/acfr/snark