Provides low level access to the devices sensors. Readout is presented in a
graph for easy side by side comparison with other devices.

Usage:

* Touch desired sensor on the list screen in order to start the readout. Long touch the sensor to show it's details. Use "Back" to close the details dialog again.
* On readout view, touching the graph will stop the sensor from being read out. After stopping, the graph can be scrolled and or panned by a drag or pinch gesture. To restart the readout, retur