Fixed the preservation message format.
Merge branch 'master' of https://github.com/Det-Kongelige-Bibliotek/valhal
Fixed smaller issue with naming, and added general tests for preservation.
Merge branch 'master' of https://github.com/Det-Kongelige-Bibliotek/valhal
Removed the deprecated REST interface for updating the preservation metadata.
Merge branch 'master' of https://github.com/Det-Kongelige-Bibliotek/valhal