Adding admin to customer - list

Signed-off-by: Florian Aders (EleRas) <eleras@froxlor.org>

templates/Froxlor/admin/customers/customers.tpl

@@ -29,6 +29,7 @@ $header
 						{$lng['customer']['name']}  {$arrowcode['c.name']} 
 						{$lng['customer']['firstname']}  {$arrowcode['c.firstname']} 
 						{$lng['login']['username']} {$arrowcode['c.loginname']}
+						{$lng['admin']['admin']} {$arrowcode['a.loginname']}
 					</th>
 					<th>{$lng['panel']['options']}</th>
 				</tr>