Bug-1520 Config subsystem:config-impl tests

Change-Id: I8c09cbf90585e179f84e3ac1e83e5946379be66f
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
write /nodes/node/table/0 with ensure parents when node first appears

Change-Id: Ic30ee64e7f1c53de7902aa322fc2de20bcf5b9b8
Signed-off-by: Martin Bobak <mbobak@cisco.com>
Merge "Bug-1520 Config subsystem:config-impl tests"
Merge "write /nodes/node/table/0 with ensure parents when node first appears"