Added missing empty directories from svn import

Marius Cramer

2013-10-14 d9bcf68e395d6156645a7974b1a992aa6e6c00aa

 interface/web/mail/lib/lang/cz_mail_user_stats_list.lng

@@ -6,3 +6,4 @@
$wb['this_year_txt'] = 'Tento rok';
$wb['last_year_txt'] = 'Minulý rok';
?>