update AUTHOR in Makefile.PL

Signed-off-by: Galen Charlton <gmcharlt@gmail.com>

Makefile.PL

@@ -542,7 +542,7 @@ WriteMakefile(
               #VERSION     => strftime('2.9.%Y%m%d%H',gmtime),
               VERSION_FROM => 'kohaversion.pl',
               ABSTRACT     => 'Award-winning integrated library system (ILS) and Web OPAC',
-              AUTHOR       => 'Koha Developers <koha-devel@nongnu.org>',
+              AUTHOR       => 'Koha Contributors <http://koha-community.org/>',
               NO_META      => 1,
               PREREQ_PM    => $koha_pm->prereq_pm,