Added missing empty directories from svn import

Marius Cramer

2013-10-14 d9bcf68e395d6156645a7974b1a992aa6e6c00aa

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

@@ -20,3 +20,4 @@
$wb['email_error_isemail'] = 'Die E-Mail Adresse ist falsch.';
$wb['mailinglist_txt'] = 'Mailingliste';
?>