[rygel/wip/basic-management] doc: Add documentation on diagnostics configuration item

[Jussi Kukkonen <jussik src gnome org>]

commit d68044993ef4f7288d2ab3497098ffd6092c00f8
Author: Jussi Kukkonen <jussi kukkonen intel com>
Date:   Tue Sep 10 11:16:17 2013 +0300

    doc: Add documentation on diagnostics configuration item

 doc/man/rygel.conf.xml |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/doc/man/rygel.conf.xml b/doc/man/rygel.conf.xml
index 7cd4d83..150159c 100644
--- a/doc/man/rygel.conf.xml
+++ b/doc/man/rygel.conf.xml
@@ -274,6 +274,16 @@ man(1), man(7), http://www.tldp.org/HOWTO/Man-Page/
           </para>
         </listitem>
       </varlistentry>
+      <varlistentry>
+        <term>
+          <option>diagnostics</option>
+        </term>
+        <listitem>
+          <para>
+            Set to <userinput>true</userinput> if you would like the UPnP device to contain a 
BasicManagement:2 service that allows running tools like ping, nslookup and traceroute remotely.
+          </para>
+        </listitem>
+      </varlistentry>
     </variablelist>
   </refsect1>
   <refsect1>