The important tables `xml` and `registration` were not properly set for their `CASCADE` behavior, in addiiton `XML` needed to have the `single_parent` option enabled to allow for cascading-deletes (since otherwise a single entry could be referenced by an entry and a error.
This adds a full `Claimant` object to the ElasticSearch index, including the `claimant_type` field which helps users see the specific relationship a claimant has to a renewal. It would be good to provide translations of these codes in the future, but this is not currently necessary.
Includes an initial version of the utility script used to generate
the copyright entry/renewal database along with instructions on how
to run the script and create a version of the database locally
Mike Benowitz