Added function "is_superadmin" in auth library and improved other functions.

Till Brehm

2014-08-13 19b5e01da02aa2115ee802cf2e43a7f3e58f4eac

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

@@ -5,4 +5,3 @@
$wb['destination_txt'] = 'Ziel';
$wb['add_new_record_txt'] = 'Neuen E-Mail Domain Alias hinzufügen';
?>