Updated flags for XVP config options

XVP options are compatible with consistency guide [0], updated header
flags accordingly.

Because there was a discussion without clear outcome whether XVP shoud be
dropped, so I am leaving check_deprecated_status flag for a time being, until
it clears out.

[0] https://wiki.openstack.org/wiki/ConfigOptionsConsistency
[1] http://www.gossamer-threads.com/lists/openstack/operators/50794

Blueprint centralize-config-options-newton

Change-Id: Id4d3328210b5b2ba0bef269d685cf445b5ff26bc

nova/conf/xvp.py

@@ -1,10 +1,3 @@
-# needs:fix_opt_description
-# needs:check_deprecation_status
-# needs:check_opt_group_and_type
-# needs:fix_opt_description_indentation
-# needs:fix_opt_registration_consistency
-
-
 # Copyright 2016 OpenStack Foundation
 # All Rights Reserved.
 #
@@ -26,7 +19,14 @@ from oslo_config import cfg
 
 xvp_group = cfg.OptGroup(
     'xvp',
-    title='XVP options')
+    title='XVP options',
+    help="""
+Configuration options for XVP.
+
+xvp (Xen VNC Proxy) is a proxy server providing password-protected VNC-based
+access to the consoles of virtual machines hosted on Citrix XenServer.
+"""
+)
 
 xvp_opts = [
     cfg.StrOpt('console_xvp_conf_template',
@@ -45,12 +45,10 @@ xvp_opts = [
                default='/var/log/xvp.log',
                deprecated_group='DEFAULT',
                help='XVP log file'),
-    cfg.IntOpt('console_xvp_multiplex_port',
-               default=5900,
-               deprecated_group='DEFAULT',
-               min=1,
-               max=65535,
-               help='Port for XVP to multiplex VNC connections on'),
+    cfg.PortOpt('console_xvp_multiplex_port',
+                default=5900,
+                deprecated_group='DEFAULT',
+                help='Port for XVP to multiplex VNC connections on'),
     ]