Add support to new fields in command_ack

msg/vehicle_command_ack.msg

src/drivers/camera_trigger/camera_trigger.cpp

src/drivers/vmount/input_mavlink.cpp

src/drivers/vmount/input_mavlink.h

src/modules/commander/commander.cpp

src/modules/events/send_event.cpp

src/modules/logger/logger.cpp

src/modules/logger/logger.h

src/modules/mavlink/mavlink_main.cpp

src/modules/mavlink/mavlink_receiver.cpp

src/modules/uavcan/uavcan_servers.cpp