Added missing language strings vor apps vhost form.

interface/web/admin/form/server_config.tform.php

@@ -401,9 +401,6 @@ $form["tabs"]['web'] = array (
 			'datatype'	=> 'VARCHAR',
 			'formtype'	=> 'TEXT',
 			'default'	=> '',
-			'validators'	=> array ( 	0 => array (	'type'	=> 'NOTEMPTY',
-														'errmsg'=> 'apps_vhost_servername_error_empty'),
-									),
 			'value'		=> '',
 			'width'		=> '40',
 			'maxlength'	=> '255'

interface/web/admin/lib/lang/en_server_config.lng

@@ -47,4 +47,7 @@ $wb["web_user_txt"] = 'Apache user';
 $wb["web_group_txt"] = 'Apache group';
 $wb["security_level_txt"] = 'Security level';
 $wb["loglevel_txt"] = 'Loglevel';
+$wb["apps_vhost_port"] = 'Apps-vhost port';
+$wb["apps_vhost_ip"] = 'Apps-vhost IP';
+$wb["apps_vhost_servername"] = 'Apps-vhost Domain';
 ?>
\ No newline at end of file