docs: more complete list of past authors
docs: more complete list of past authors

* Completes the list of past authors with people that did not explicitly
  appear as the CVS commit authors.  (From pre-Git times.)  Names taken
  from the old format of the AUTHORS file.

Signed-off-by: Tibor Simko <c7116e45300b163846dc01f3ed02116e3f8ef7a5@cern.ch>

tiborsimko/invenio,tiborsimko/invenio,inveniosoftware/invenio,inveniosoftware/invenio