Copied over from my hacky utils; have used these in my development Karabo
environment for a while. Devices here (and corresponding changes to manager)
sketch how I interpret our plan for the next step in online calibration
topology; manual geometry devices to be later supplanted by or supplemented with
something using encoders or such.

Importing State from bound, using OVERWRITE_ELEMENT, letting framework handle
inheriting schemata instead of calling superclass expectedParameters.