Backport multiple changes from devel branch:
    9.7.0-6.P1
    - update to 9.7.0-P1
    9.7.0-5
    - bind-sdb now requires bind
    9.7.0-4
    - add man-pages ldap2zone.1 zonetodb.1 zone2sqlite.1 named-sdb.8 (#525655)
    9.7.0-3
    - fix multilib issue (#478718) [jgorig]
    9.7.0-2
    - improve automatic DNSSEC reconfiguration trigger
    - initscript now returns 2 in case that action doesn't exist (#523435)
    - enable/disable chroot when bind-chroot is installed/uninstalled