add delivery reports to mail (not backported to redmatrix)

view/tpl/mail_conv.tpl

@@ -9,6 +9,7 @@
 		<div class="mail-conv-body">{{$mail.body}}</div>
 		<div class="btn-group pull-right" id="mail-conv-delete-wrapper-{{$mail.id}}" >
 			{{if $mail.can_recall}}
+			<a href="dreport/mail/{{$mail.mid}}" title="{{$mail.dreport}}" id="mail-conv-dreport-icon-{{$mail.id}}" class="btn btn-default" ><i class="icon-barcode mail-icons"></i></a>
 			<a href="mail/{{$mail.mailbox}}/recall/{{$mail.id}}" title="{{$mail.recall}}" id="mail-conv-recall-icon-{{$mail.id}}" class="btn btn-default" ><i class="icon-undo mail-icons"></i></a>
 			{{/if}}
 			<a href="#" onclick="dropItem('mail/{{$mail.mailbox}}/drop/{{$mail.id}}', '#mail-{{$mail.id}}'); return false;" title="{{$mail.delete}}" id="mail-conv-delete-icon-{{$mail.id}}" class="btn btn-default" ><i class="icon-trash mail-icons"></i></a>