Description: Fix for ticket 47915: replication inconsistency for add/replace/delete single valued attribute
    https://fedorahosted.org/389/ticket/47915
    Resolves: Ticket 47915
    Bug Description:
      In MMR, when deleting a single valued attribute specifying its value,
      the operation is not replicated and the entry state does not reflect
      the attribute deletion.
    Reviewed by: Rich and Ludwig (Thanks a lot!)
    Branch: 1.2.11.15
    Fix Description:
       The fix consists on using the diffs already present in master branch to:
       - replicate the delete operation
       - generate the entry state indicating attribute has been deleted
    Platforms tested:    rhel6.5
    Flag Day: no
    Doc impact: no