[BZ 1070277] - (JON3-39) JON should (be able to) block login to a user without roles - adding it to the db-upgrade.xml also using lower case in sysconfig-data.xml

(cherry picked from commit 74f4240ea865308b7dea9aa025fd0574423f52ac)
Signed-off-by: Jirka Kremser <jkremser@redhat.com>