Ticket 49425 - improve demo objects for install
Bug Description: Improve demo objects for install
Fix Description: Change the tree a tiny bit - add hidden
389 container, add ous, use better aci examples. This also
adds a set of tests to assert the default aci's work as
advertised.
https://pagure.io/389-ds-base/issue/49425
Author: wibrown
Review by: mreynolds, spichugi, tbordaz, lkrispen (Thank you all!)