ldapadmin - use "& nbsp ;" to get the asterisk stuck to the text
ldapadmin - the ascensor was unnecessary and get things more complicated

Indeed, we should have to manage to open the ascensor in case of error in one of
the fields, or remember if user had opened the ascensor last time. Better to quit it.
ldapadmin - use bootstrap labels for password strongness and mismatch

Note that this implies the use of jQuery - changePasswordForm.jsp is therefore
broken for now.
ldapadmin - i18n in jsp page + scan jetty targets every 5 sec for i18n strings