Add kolabAllowSMTPRecipient changes to LDAP again. (without the unfinished web admin code)

Done with:
cvs diff -u -d -r1.22 -r1.24 kolabd/kolabd/kolab2.schema|patch -p0 -s
cvs diff -u -d -r1.13 -r1.14 kolabd/kolabd/templates/slapd.conf.template.in|patch -p0 -s

Todo:
cvs diff -u -d -r1.19 -r1.20 kolab-webadmin/kolab-webadmin/www/admin/user/user.php.in|patch -p0 -s