Added check to not allow GimbalServer to become available after setting allow camera commands to false.
Added functionality to set camera ready for bringing it down or up. Camera will be made available for AI after bringCameraDown command is given via UDPSocket. Camera will be made unavailable for AI after bringCameraUp command is given via UDPSocket.
- autopilot -> drone_controller - rtsp_ai_player -> ai_controller - added top level qmake project file - updated documentation - moved small demo applications from tmp/ to misc/