o Fixed a wrong count when adding an element in a btree which does not allow duplicate values
o Fixed a test which was expecting the index to allow duplicate values, when it was not the case
o The MavibotDnIndex forward index was not allowing duplicate Values wrongly

git-svn-id: https://svn.apache.org/repos/asf/directory/apacheds/trunk@1553548 13f79535-47bb-0310-9956-ffa450edef68