python-heatclient 1.4.0 release

meta:version: 1.4.0
meta:diff-start: -
meta:series: newton
meta:release-type: release
meta:announce: openstack-announce@lists.openstack.org
meta:pypi: yes
meta:first: no
meta:release:Author: Steve Baker <sbaker@redhat.com>
meta:release:Commit: Davanum Srinivas <davanum@gmail.com>
meta:release:Change-Id: Ib89722b9456a120fbe4aac88ea2e6b09688d2eb2
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