BUG-1083 Netconf connector rework sal facade.

Change-Id: I9302e88ac3e831e2966e2baec9493a03e0a96be4
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
Fix identity-ref serialization in netconf.

Identity-ref attributes did not contain their namespace.

Change-Id: I1d768b2b59073d9fa322b66b002eddf39270bf17
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
Merge changes I1d768b2b,I9302e88a

* changes:
  Fix identity-ref serialization in netconf.
  BUG-1083 Netconf connector rework sal facade.