Authorities mapping

Authorities are, like biblios, harvestable, so the same mechanism is implemented to know how to build authority entities in Drupal.

Authority mappings are per-server configurations. So to edit them, go to Configuration > OPAC Servers, and chose the server you want to edit.
There's a new tab "Authority types" which list authority types that are associated with this server. The mapping configuration works exactly the same way than for biblios so please refer to the documentation of this part.
Actually there is one difference between authorities and biblios mappings configuration : biblios can use plug-ins and authorities can't, but this difference will probably disappear soon, so that plug-ins will be usable by both components.