Added missing empty directories from svn import

Marius Cramer

2013-10-14 d9bcf68e395d6156645a7974b1a992aa6e6c00aa

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

@@ -10,4 +10,5 @@
$wb['duplicate_mailbox_txt'] = 'Er is al een mailbox met dit e-mail adres';
$wb['domain_txt'] = 'Domain';
$wb['duplicate_email_alias_txt'] = 'This email alias does already exist.';
$wb['source_txt'] = 'Alias';
?>