Create new tracing implementation.
Add function to retrieve Parameter index.
Base Trace class on Parameter index instead of pointer.
Reimplement tracing, fix numerous bugs.
Add gyro sensor data to SPI communication protocol.

	TODO: create gyro device and integrate in controller.
Provide access to gyro at Device level.
Had to fiddle with SPI communication.
Merge branch 'master' into TraceV2

Conflicts:
	Servo/src/Devices.cpp
	Servo/src/SPI.cpp
Fix: check sem_trywait result against errno i.s.o. r.
Integrate gyro in controller.
Add noise injection in Motor.
Split enableController from configure Controller.
Add injected noise as traceable parameter.
Separate different controller contributions into traceables.
Add synchronisation script. Replace IP address by name.
Fix typo is plot script.
Merge branch 'TraceV2'