Add fabric to requirements.
Rename inspections methods on Audit, add methods to summarize errors.
Add ResponseContent objects even when we don't save the actual body content. Can store content_type on that object.
Add management command for creating stats for a catalog crawl.
Filter probes for catalog item probes that have no url in the proper places.
Bigger charfields, because errors.
Some agencies have incorrectly capitalized accessURL keys. Fixes #14.
Make a view for listing audits of a certain type.