Updated openstack/openstack
Project: openstack/horizon  d8031ffba3e90070a2718fc99cc447fac169d99b

Made Availability Zone mandatory for Aggregates

Apply the same max_length validation on update form
as well.
Change-Id: I169f45e003cd228a62e253dca4fa2d79b905024f
Closes-bug: 1357195