python-tldextract-2.2.0-bp151.3.1

- Update summary.

- Convert to singlespec, fix non-SPDX license tag
- Add rpmlintrc for (required) hidden file
- Add README.md to docs and use %license macro
- Update to 2.2.0
  * Bugfixes:
  - Switch to explicit Python version check
  - Work around `pkg_resources` missing
  - Always close sessions
  * Features:
  - Add `fqdn` and `ipv4` convenience properties
  - Add `cache_fetch_timeout` kwarg
    and `TLDEXTRACT_CACHE_TIMEOUT` env var
  * Misc:
  - Document public vs. private domains
  - Document support for Python 3.6

- Correct license in spec file (MIT -> BSD)

- Fix homepage URL in specfile

- Initial creation of package, version 2.0.1