I plan to use it to deliver all */uiconfig files, not just .ui, as a
preliminary step to get rid of postprocess/packconfig.

Change-Id: Ie7b4434b2f247165e3ab69a4d0c193418720a149
Reviewed-on: https://gerrit.libreoffice.org/3225Reviewed-by: David Tardon <dtardon@redhat.com>
Tested-by: David Tardon <dtardon@redhat.com>