5.2.1
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* Add openstack-tox-py37 job
* Set subparser argument required
* Remove neutron-lbaas
* Update Sphinx requirement
* Fix white space handling in file names
5.2.0
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* OpenDev Migration Patch
* Typo fix: s/extract\_mesages/extract\_messages/
* Support provides\_extra metadata
* Replace openstack.org git:// URLs with https://
* Fix nits and typos on release note message
* Remove libzmq-dev from integration.sh package install
* Fix error when keywords are defined as a list in cfg
e3aeefed63