horizon 18.3.2 release

meta:version: 18.3.2
meta:diff-start: -
meta:series: ussuri
meta:release-type: release
meta:pypi: no
meta:first: no
meta:release:Author: Akihiro Motoki <amotoki@gmail.com>
meta:release:Commit: Akihiro Motoki <amotoki@gmail.com>
meta:release:Change-Id: Ief7360b623682e86e51df8182eb94f71f61fc704
meta:release:Code-Review+1: Ivan Kolodyazhny <e0ne@e0ne.info>
meta:release:Code-Review+2: Thierry Carrez <thierry@openstack.org>
meta:release:Workflow+1: Thierry Carrez <thierry@openstack.org>