Log Message:
devel/py-flufl.i18n: Update to 2.0.1.

2.0.1 (2017-11-14)
- Restore Python 3.4 support.

2.0 (2017-07-24)
- Add _.defer_translation() context manager for marking, but not
  translating a string at the point of use.
- Drop Python 2, 3.3, and 3.4 compatibility; add Python 3.5 and 3.6.
- Switch to the Apache License Version 2.0
- Use flufl.testing for nose2 and flake8 plugins.