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

Till Brehm

2014-08-13 19b5e01da02aa2115ee802cf2e43a7f3e58f4eac

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

@@ -1,5 +1,5 @@
<?php
$wb['list_head_txt'] = 'E-mailový alias';
$wb['list_head_txt'] = 'E-mailové aliasy';
$wb['active_txt'] = 'Aktivní';
$wb['source_txt'] = 'Zdroj';
$wb['destination_txt'] = 'Cíl';