WHOIS

Remove WHOIS support from core. WHOIS lookups are now done in a service.

Add support for creating indicators from a domain. This is intended to be used by AJAX calls on domain services that wish to create an indicator (ie: email fields in WHOIS records).

There is a corresponding PR for this in crits_services.
I don't like that we are just bumping the schema and leaving all of the whois data in the database orphaned for existing databases. The content should be migrated somehow, or at least a script developed which allows for any domains who have existing whois data to be spit out somewhere. Bonus points if it will allow people to kick off the service to re-acquire the whois information.