* json io: add stubs for formatters and printers * dnsdedupe: implement formatters and parsers * json io: dnsdedupe don't downcase names when parsing * Merge pull request #11 from farsightsec/jsonio Implement format and parse functions for all custom print fields. Nuke PORTSCOUNT= since it doesn't help. See PR 204135 for the details about why portscount isn't currently working for this port's MASTER_SITE. Sponsored by: Farsight Security, Inc.