A few more small documentation updates

Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

NEWS

@@ -15,7 +15,7 @@ Ganeti 2.1 brings many improvements with it. Major changes:
 - Improved job locking logic to reduce impact of jobs acquiring multiple
   locks waiting for other long-running jobs
 
-Detailed implementation details can be found in the Ganeti 2.1 design
+In-depth implementation details can be found in the Ganeti 2.1 design
 document.
 
 Details
@@ -26,8 +26,11 @@ Details
   ``device_model``)
 - Added more options to xen-pvm hypervisor (``use_bootloader``,
   ``bootloader_path`` and ``bootloader_args``)
+- Added the ``use_localtime`` option for the xen-hvm and kvm
+  hypervisors, and the default value for this has changed to false (in
+  2.0 xen-hvm always enabled it)
 - Added luxi call to submit multiple jobs in one go
-- Added cluster initialization time option to not modify ``/etc/hosts``
+- Added cluster initialization option to not modify ``/etc/hosts``
   file on nodes
 - Added network interface parameters
 - Added dry run mode to some LUs
@@ -78,6 +81,9 @@ Details
   from one place
 - Added more unittests
 - Fixed critical bug in ganeti-masterd startup
+- Removed the configure-time ``kvm-migration-port`` parameter, this is
+  now customisable at the cluster level for both the KVM and Xen
+  hypervisors using the new ``migration_port`` parameter
 - Pass ``INSTANCE_REINSTALL`` variable to OS installation script when
   reinstalling an instance
 - Migrated to Sphinx (http://sphinx.pocoo.org/) for documentation

man/gnt-instance.sgml

@@ -424,6 +424,22 @@
               </listitem>
             </varlistentry>
 
+            <varlistentry>
+              <term>use_localtime</term>
+              <listitem>
+                <simpara>Valid for the Xen HVM and KVM hypervisors.</simpara>
+
+                <para>
+                  A boolean option that specifies if the instance
+                  should be started with its clock set to the
+                  localtime of the machine (when true) or to the UTC
+                  (When false). The default is false, which is useful
+                  for Linux/Unix machines; for Windows OSes, it is
+                  recommended to enable this parameter.
+                </para>
+              </listitem>
+            </varlistentry>
+
             <varlistentry>
               <term>kernel_path</term>
               <listitem>