- fix undefined index in customer_domains.php

- add possibility to disable form-buttons if not needed
- corrected ticket-categories order-counter begin-value
- beautify domains-add and e-mail add form for customers
- added various missing hidden-fields in templates (Classic-theme)

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>

lib/formfields/customer/email/formfield.emails_edit.php

@@ -23,6 +23,7 @@ return array(
 			'section_a' => array(
 				'title' => $lng['emails']['emails_edit'],
 				'image' => 'icons/email_edit.png',
+				'nobuttons' => true,
 				'fields' => array(
 					'email_full' => array(
 						'label' => $lng['emails']['emailaddress'],