Merge branch 'pid-derivative-smooth'

quad/src/gen_diagram/network.dot

quad/src/gen_diagram/network.png

quad/src/graph_blocks/node_pid.c

quad/src/quad_app/biquad_filter.c

quad/src/quad_app/biquad_filter.h

quad/src/quad_app/control_algorithm.c

quad/src/quad_app/iic_utils.c

quad/src/quad_app/initialize_components.c

quad/src/quad_app/log_data.c

quad/src/quad_app/sensor_processing.c

quad/src/quad_app/sensor_processing.h

quad/src/quad_app/type_def.h