Merging quad send_rt_data branch with real-time data transfer gui branch

MicroCART

quad/src/quad_app/RTSensorPacketDocumentation.md

quad/src/quad_app/communication.c

quad/src/quad_app/debug_level_readme.txt

quad/src/quad_app/debug_rt.c

quad/src/quad_app/debug_rt.h

quad/src/quad_app/log_data.c

quad/src/quad_app/log_data.h

quad/src/quad_app/quad_app.c

quad/src/quad_app/sensor.c

quad/src/quad_app/sensor_processing.c

quad/src/quad_app/type_def.h