The logging in CtVideo::_setLive for debugging the issue in andor3, as well as the verion of andor3 which is supposed to be fixed.
CtAcquisition as a plugging overloadable class.

CtAcquisition is now a virtual class, which can be handled by Interface in the Capabilities list. CtControl takes the acquisition object of the interface if present, otherwise instantiate the base class.
Merge branch 'acq-cap' of https://github.com/serge-cohen/Lima into acq-cap

We do not care about submodules.

Conflicts:
	camera/andor3
Merge branch 'acq-cap' of https://github.com/serge-cohen/Lima into acq-cap