* Move group name beneath the artist name.
* Replace 'Active' column with '(deleted)' notice next to artist name.
* Combine updater, updated at, and ip address fields in single column.
* Combine templates for standard listing and revert listing (only
difference is presense of 'Revert to' column).
1) Put `<script>alert("xss 1")</script>` in the Other Names field in an
artist entry.
2) Put `<script>alert("xss 2")</script>` in the URLs field.
3) Trick someone into the viewing the history page for that artist.
