[www] Transition Train to extended maintenance
[www] Transition Train to extended maintenance

Change-Id: I4cbf4e9e6e1d4d5c6a112b6c4cf974379ad46e7c
Signed-off-by: Stephen Finucane <492121341a95b3c3aab646bed44634f739dd019b@redhat.com>

openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals