cleanup logging and not displayed mapped ldap group to roles in screen

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1445990 13f79535-47bb-0310-9956-ffa450edef68
add missing i18n

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1445991 13f79535-47bb-0310-9956-ffa450edef68
add comment on why woodstox (stax impl) is included in the war

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1445992 13f79535-47bb-0310-9956-ffa450edef68