added password generator, fixes #346

Signed-off-by: Christoph Burchert (Chb) <derchb@froxlor.org>

lib/formfields/admin/customer/formfield.customer_edit.php

@@ -54,6 +54,11 @@ return array(
 						'label' => $lng['login']['password'].' ('.$lng['panel']['emptyfornochanges'].')',
 						'type' => 'password'
 					),
+					'new_customer_password_suggestion' => array(
+						'label' => $lng['customer']['generated_pwd'],
+						'type' => 'text',
+						'value' => generatePassword(),
+					),
 					'def_language' => array(
 						'label' => $lng['login']['language'],
 						'type' => 'select',