Updated openstack/openstack
Project: openstack/trove  d89f1a417bc79643404f9c648cf8a190253940b0

Add slave_of_id to instance model

Add new 'slave_of_id' field to instance model and schema.

partially implements blueprint replication-v1
Change-Id: I613eaed6057745f38ffffafad2c72a0338b2552a