[Libvirt-cim] [PATCH 0 of 4] #5 - Enable VSSD to validate client given object path and Adopt changed to VSSD interface to ESD & SDS & VSSDC

[Heidi Eckhart]

VSSD does now take care of the client given object path.
The resulting interface changes have been adopted to 
- ESD by the second patch
- SDS by the third patch
- VSSDC by the fourth patch (diff to patch set 1)

diff to patch set 2:
- updated VSSD to compare a returned integer result explicitely

diff to patch set 3:
- fixed memory leak (on name) in get_vssd_by_ref
- fixed get_vssd_by_name and get_vssd_by_ref to only return a valid instance pointer in case of success

diff to patch set 4:
- fix whitespace issues