OPENDNSSEC-184: Add --zone filter to 'ods-enforcer rollover list' command. Also remove the verbose option as this was not used. And fix a bug where the command wasn't processed properly and always reported too many arguments.
Merge pull request #55 from saradickinson/OPENDNSSEC-184_sara

OPENDNSSEC-184: Add --zone filter to 'ods-enforcer rollover list' command