code: public static String prefixWithOu(String ou, String principal) {
  
          String result = CmsStringUtil.joinPaths(ou, principal);
          if (result.startsWith("/")) {
              result = result.substring(1);
          }
          return result;
      }
docs: Prefixes a simple name with an OU.<p>
  
  @param ou the OU to use as a prefix
  @param principal the simple name to which the OU should be prepended
  
  @return the FQN