Do not count repetitive authors when assembling co-author stats for the author page.  This fixes a problem with count numbers in case an author is mistakenly inputted twice in a record (e.g. 'Yang, Hai Jun' in INSPIRE).
Do not count repetitive authors when assembling co-author stats for
the author page.  This fixes a problem with count numbers in case an
author is mistakenly inputted twice in a record (e.g. 'Yang, Hai Jun'
in INSPIRE).

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