- update to version 2.6.1
* Remove discover from test-requirements
* Correct the parameters's position of assertEqual
* Remove keystoneclient dependency
* Fix from_response method to process response from requests
* [trivial] add a blank character
* Add support for Python 3.5

- update to 2.5.0:
* tools: remove unused scripts
* base.Resource not define __ne__() built-in function
* Ignore aodh_endpoint argument
* Switch to keystoneauth
* Correct the usage of the method assertEqual()
* Update the home-page with developer documentation
* Update to hacking 0.11.0
* Only install hacking in pep8
* Updated from global requirements
* Enable releasenotes documentation
* Switch from deprecated tempest-lib to tempest
* Fix the disorder of items of Traits in the output of event-list
* remove default value of repeat-actions
* Decouple ceilometerclient without aodh services running
* Trivial: remove `None` as a redundant argument to dict.get()
* Enhances client to support unique meter retrieval
* Fixing a word spelling
* make aggregation-method argument as a mandatory field

- update to 2.4.0:
* Updated from global requirements