Added trove replication via cmd line
Added trove replication via cmd line

The trove chapter in the user guide did not have
a section on how to use the cmd line to
set up database instance replication.

This commit covers how to set up replication,
then detach the replica.

Change-Id: Id6191eb6f247d1fd6de0ac8f3ecdd4f7923284c9
Closes-Bug: #1333586

openstack/openstack-manuals,openstack/openstack-manuals,gongysh2004/openstack-manual,AlekhyaMallina-Vedams/openstack-manuals,gongysh2004/openstack-manual,kairoaraujo/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,Akasurde/openstack-manuals,saeki-masaki/openstack-manuals,kairoaraujo/openstack-manuals,potsmaster/openstack-manuals,saeki-masaki/openstack-manuals,Akasurde/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,potsmaster/openstack-manuals