Please review ticket 47828 (2nd): DNA scope: allow to exlude some subtrees

[thierry bordaz]

Hello ,

Taking into account Mark review (dnaExcludeScope:2.16.840.1.113730.3.1.2312)

Bug: https://fedorahosted.org/389/ticket/47828
    Fix:
    https://fedorahosted.org/389/attachment/ticket/47828/0002-Ticket-47828-DNA-s...
    Test:
    https://fedorahosted.org/389/attachment/ticket/47828/0001-Ticket-47828-test-...

Thanks
thierry