Catalogs of entities

Provides views of latest publications, people, annotations, groups etc.

Note: existing views were refactored for more unified code, so the diffs are large in some cases, but insignificant (about, terms, privacy pages etc. due to removal of the unnecessary .simple class)
Even for client only fields you have to do a migration. Just to increase the number. Some API client could break if they get unexpected new field. (So this field is still pushed from our publish endpoint, it is just not stored in the database.)