fixtures: new collection "Author Lists"

* Adds new collection "Author Lists".  (closes #607)

* Amends installation instructions accordingly.

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
templates: author display quick fix

* Quick-fixes author display for UTF-8 characters now that author files
  have been added.  (see #607)

* NOTE the formatting would require nicer changes later, e.g. not to
  list all authors, but have show/hide option, as in standard Invenio.

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>