puppet-neutron 16.4.0 release

meta:version: 16.4.0
meta:diff-start: -
meta:series: ussuri
meta:release-type: release
meta:pypi: no
meta:first: no
meta:release:Author: yatinkarel <ykarel@redhat.com>
meta:release:Commit: yatinkarel <ykarel@redhat.com>
meta:release:Change-Id: I340fa98e177651319e7e69976aea9258d5ba0de2
meta:release:Code-Review+1: Tobias Urdin <tobias.urdin@binero.se>
meta:release:Code-Review+2: Hervé Beraud <herveberaud.pro@gmail.com>
meta:release:Code-Review+1: Alex Schultz <aschultz@redhat.com>
meta:release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta:release:Workflow+1: Elod Illes <elod.illes@est.tech>