- Add 0001-Must-not-go-underneath-the-context-object-and-access.patch

- update to version 3.20.0:
- Add a json reformatter command
- Add support for P and Q release names
- Update reno for stable/newton
- Avoid converting to unicode if not needed
- Imported Translations from Zanata
- standardize release note page ordering
- Add Constraints support
- Implement FluentFormatter
- modify the home-page info with the developer documentation
- Show team and repo badges on README
- Default use_stderr to False
- Use six.wraps instead of functools
- Fix typos
- Fix races in unit tests
- Enable release notes translation
- Add a filter to rate limit logs
- Modify use of assertTrue(A in B)
- Change assertTrue(isinstance()) by optimal assert
- Replace method attr in vars() to hasattr
- Updated from global requirements