As it is coming up basically every release cycle of Xen, add a
reference to the discussion why the current release scheme has been
selected in the release management documentation.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Henry Wang <Henry.Wang@arm.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
release in the first half of March/July/November. These dates have
been chosen to avoid major holidays and cultural events; if one
release slips, ideally the subsequent release cycle would be shortened.
+The reasons for this schedule have been discussed on
+[xen-devel](https://lists.xen.org/archives/html/xen-devel/2018-07/msg02240.html).
We can roughly divide one release into two periods. The development period
and the freeze period. The former is 6 months long and the latter is about 2