ask pyro group config questions for all-in-one config site when pyro is enabled in serverctl.py, the pyro questions are not asked for all-in-one configs, because this is webctl.py's responsibility. However for a all-in-one instance, repo_method is "in-memory" so the pyro questions would not be asked even if pyro had been explicitely enabled before.

enforce use of environment variables when running as a service CW_INSTANCES_DIR, CW_INSTANCES_DATA_DIR, CW_RUNTIME_DIR must be positionned at the system level. This will ensure that cubicweb-ctl commands issued on the computer will use the proper directories.

added db-extra-arguments to configuration parameters for native source