1.5.0
* Add release note describe repository migration
* Add pytest plugin
* Include release-notes in documentation
* Another attempt at circleci tags
* Only try and push to pypi on a tag
* Update all pypi.python.org URLs to pypi.org
* Add pypi upload configuration to circleci
* Move tests outside of package to top level directory
* Remove zuul.yaml as we're not using zuul anymore
* Add CircleCI badge to README
* Remove links to launchpad bug reporting
* Remove .gitreview
* Unpin sphinx dependency
* Add circleci testing configuration
* Use set literals throughout project
* Prefer https:// links over http:// in docs and comments
* Fix last\_request examples
* Fix spelling mistakes
* Move Zuul jobs in-tree
df7bbbad54