Okonomiyaki

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Enhancements:

* Add cp311 dummy runtimes (349)
* Add cp311 dummy eggs (453)
* Update the code to guess a Platform instance from the running system (448)
- Added a NameKind value for Rocky Linux
- Debian and RHEL compatible systems are now supported by the "uknown" NameKind
- Add support for the RH8 platform
* Update the PythonImplementation instance to support cp311 (451)
* Update okonomiyaki code to not use the deprecated LegacyEPDPlatform instance (452)

Maintenance:

* Remove old Jenkins CI build setup (440)
* Update the test matrix on github actions and remove testing for Python 2.7 (441, 447)
* Move most of the package configuration into the setup.cfg (450)

Big fixes:

* Fix the behaviour of the pep245 module and the way it is tested (441, 447)
* Fix the repr output for PEP440Version and RuntimeVersion (435, 436)
* Fix error message for unsupported platform combinations (433)
* Fix permissions in the dummy egg archives (430)

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Big fixes:

* Fix relative imports (426)
* Fix compute_abi_tag to support Python 3.8 (424)

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Big fixes:

* Update dummy eggs to hold the correct abi tag for Python 3.8 (413)
* Pass the runtime version to the from_epd_string constructor (414)
* Fix _guess_abi_tag and _guess_abi_from_python to support python 3.8 (418)

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Enhancements:

* Add cp38 dummy runtimes (387)
* Add cp38 dummy eggs (395, 398)
* Update default abi functions to support python 3.8 (390)

Maintenance:

* Enable GitHub actions (384)
* Fix build badge to point to travis-ci.com (376)
* Fix path to the okonomiyaki test build project (379)
* Update script that verifies okonomiyaki can read eds eggs (396)

Big fixes:

* Add rh6 and rh7 dummy eggs to setup.py (369)
* EPDPlatform.pep425_tag will always return 10.6 for macos platforms (374, 387)
* Fix older dummy windows runtime archives to work with recent EDM (391, 397)
* EPDPlatform.from_string will always return fixed release versions (375, 387)

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Enhancements:

* Run tests against Centos 7. (359)

Maintenance:

* Run Travis CI on maintenance and tagged branches. (352)
* Only test branch builds on Appveyor for master and maintenance branches. (364)

Big fixes:

* Add the license to the manifest. (354)
* Fix platform detection on Centos 7. (161)
* Fix error when '$' is in the Python runtime prefix. (309)

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Big fixes:

* Fix name of the 2.7.10 dummy runtime for rh6. (341)