Data load script.
Fixes.
Use UserNotFound/OrganisationNotFound errors in data load script.
Throw an error for Organisation HTML response for now.
Serialise creation of annotations and media
Temporarily give write/admin permissions to work.added_by for org-owned works to allow work modification for the data load script.
Merge pull request #64 from commonsmachinery/data-load-script

Data load script.