[Libvirt-cim] [PATCH 0 of 2] #2 - Enable ELEC to validate client given object path and Adopt changed to ELEC interface to EC

ELEC does now take care of the client given object path. The resulting interface changes have been adopted to EC by the second patch diff to patch set 1: - fixed get_elec_by_name and get_elec_by_ref to only return a valid instance pointer in case of success