Add id query fields to name queries for convenience

Common use case: text input to find a person, resource, or subject
by name, get the link to the thing. If we do know the gnd or hbz id
however, entering that into the same field should work too.

Requested for @edoweb by @jschnasse and @literarymachine
Merge pull request #2 from hbz/name-queries

Add id query fields to name queries for convenience