python-ligotimegps-2.0.1-bp160.1.11

- Remove bundled versioneer; use system package instead
  gh#gwpy/ligotimegps#22
- Build PEP517 wheel

- python-six is not required
- test the package

- pytest-runner is not required for build

- Update to version 2.0.1:
  * No documented changelog.

- Initial package.