o Removed many calls to clone(), as the class is immutable
o Modified the rdnOidToName() method to update the RDN on place, instead of copying it before updating it
o Added a package protected replaceAva() method in the RDN class

git-svn-id: https://svn.apache.org/repos/asf/directory/shared/trunk@1520710 13f79535-47bb-0310-9956-ffa450edef68