[389-devel] Please review ticket 47829: memberof scope: allow to exclude subtrees

https://fedorahosted.org/389/ticket/47829

Fix is https://fedorahosted.org/389/attachment/ticket/47829/0001-Ticket-47829-memberof-scope-allow-to-exclude-subtree.patch

Test case is https://fedorahosted.org/389/attachment/ticket/47829/0002-Ticket-47829-TC-memberof-scope-allow-to-exclude-subt.patch