- update to 2.1.0:
* Uncap pbr
* Revert "Cap pip version in windows ci"
* Revert "Uncap pbr"
* Uncap pbr
* Clarify docs on group\_regex
* Remove Python 2.6 code
* Switch python doc reference from 2 to 3
* Cleanup manual section on configuration
* Fix abbreviate option in run subcommand
* Ignore errors on cleanup in test\_return\_codes
* Cap pip version in windows ci
* Add docs and helper script for building man page
* Add documentation for --suppress-attachments option
* Add option to suppress attachment printing on successful tests
* Add unit tests for return code from functions
* Remove windows skips for old subunit versions
* Cap PBR<4.0.0
* Fixed manual page description
* Fix manpage generation
* Add issue description in template
* Add an issue template to project
* Add usage to manual docs page
* Fix the manual docs link in README
* Add alt texts for badges in README
* Use flat-square design badges on README
* Fix typos about whitelist/blacklist option in manual
* Fix a small mistake in manual about test selection
* Update the package summary in setup.cfg metadata
* Add functional tests for user config file