fix message display when updating ldap

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1476988 13f79535-47bb-0310-9956-ffa450edef68
use the new bulk update mode

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1476990 13f79535-47bb-0310-9956-ffa450edef68