changes ...

 o reapplied change for making minaRegistry etc static vars - this will surely
   cause a conflict when merging things back to the trunk
 o corrected tests that were bombing out because they could not bind to 389
   as non-admin users by using the AvailablePortFinder



git-svn-id: https://svn.apache.org/repos/asf/directory/apacheds/branches/interceptor_revamp@158885 13f79535-47bb-0310-9956-ffa450edef68