Version management of Core / Conductor / Bliss integration

A way to make sure that the versions of these three projects work well together is needed.

For instance, with a slightly newer version of Bliss 2.2, and Lima2 that is not the very last version (XPCS without filter_max_count), I get:

"/home/blissadm/local/bliss_2_2.git/bliss/controllers/lima2/processings/xpcs.py", line 152, in use_filter_max_count
            self._params["filter"]["enabled"] = value

KeyError: 'filter'

There are (too) many other ways to break things when all the planets are not aligned.

I think this should be address with the first "consolidated" version.