Pillow: Release Pillow 6.2.0 on October 1, 2019

[hugovk]

Need release notes:

• [x] https://github.com/python-pillow/pillow-wheels/pull/125

Release checklist:

• [x] Open a release ticket e.g. https://github.com/python-pillow/Pillow/issues/3154
• [x] Develop and prepare release in master branch.
• [x] Check Travis CI and AppVeyor CI to confirm passing tests in master branch.
• [x] Check that all of the wheel builds Pillow Wheel Builder pass the tests in Travis CI.
• [x] In compliance with PEP 440, update version identifier in src/PIL/_version.py
• [x] Update CHANGES.rst.
• [x] Run pre-release check via make release-test in a freshly cloned repo.
• [x] Create branch and tag for release e.g.:
  bash git branch 5.2.x git tag 5.2.0 git push --all git push --tags
• [x] Create source distributions e.g.:
  bash make sdist
• [x] Create binary distributions

Windows

• [x] Contact @cgohlke for Windows binaries via release ticket e.g. https://github.com/python-pillow/Pillow/issues/1174.
• [x] Download and extract tarball from @cgohlke and twine upload *.

Mac and Linux

• [x] Use the Pillow Wheel Builder:
  bash git clone https://github.com/python-pillow/pillow-wheels cd pillow-wheels ./update-pillow-tag.sh [[release tag]]

• [x] Download distributions from the Pillow Wheel Builder container.
  ```bash
  wget -m -A 'Pillow-*'
  http://a365fff413fe338398b6-1c8a9b3114517dc5fe17b7c3f8c63a43.r19.cf2.rackcdn.com

  ```

• [x] Upload all binaries and source distributions e.g. twine upload dist/Pillow-5.2.0*

• [x] Create a new release on GitHub
• [x] In compliance with PEP 440, increment and append .dev0 to version identifier in src/PIL/_version.py

Publicize Release

• [x] Announce release availability via Twitter e.g. https://twitter.com/PythonPillow/status/1013789184354603010

Documentation

• [x] Make sure the default version for Read the Docs is up-to-date with the release changes

[radarhere]

This is the last Pillow release to support Python 2.7.

[hugovk]

Noted in CHANGES.rst, let's keep it at the top for visibility, and also put it in the release notes.

[radarhere]

Okay, @cgohlke, if you would be able to create Windows binaries?

[cgohlke]

Here you go. Just the wheels.

[radarhere]

Thanks @cgohlke. Okay, Pillow 6.2.0 is released.

[hugovk]

And thank you for releasing!

[aclark4life]

Thanks @python-pillow/pillow-team @cgohlke @nulano and all for 6.2.0!!