Moar stats

More stats for @sumikasan 

This gives us the following on all certificates (published and unpublished)

* Dataset name
* Publisher name
* Date first created
* Date last edited
* Email of registrant
* Country
* Status (draft / published)
* Type if published (Alpha or Beta)
* Progress by Level (Raw, Pilot, Standard, Expert)

The admin user can access these at:

http://certificates.theodi.org/status/all_certificates.csv