v1.0-rc2

A number of schema changes relating to authors and organisations were made:

• Organisation removed
• family_name and given_name removed from Author, replaced by name
• in Author, at least one of name and identifier must be defined
• Object now has a writeable field authors for specifying a list of authors
• ObjectAuthorOrg has been removed
• UserAuthorOrg has been replaced by UserAuthor, and the optional organisations has been removed

Changes to ExternalObject:

• doi_or_unique_name has been replaced with other_unique_name
• an identifier field has been added. One of other_unique_name or identifier must be defined, but not both
• ( (identifier or other_unique_name), title, version) must be unique
• a read-only field version has been added, corresponding to the version of the associated DataProduct

Changes to DataProduct:

• external_objects has been replaced with external_object