Creating a new release

Follow PEP 440.

1. Create a new branch maint/x.y.z.
2. Change the version number in neurodocker/version.py
3. Update the examples in README.md
4. Build wheel (python setup.py bdist_wheel)
5. Test installation of wheel in fresh python3 docker container
   • Fix any issues and redo previous step
6. Tag x.y.z branch as neurodocker version x.y.z
   • Use git tag -a -m 'neurodocker version x.y.z' x.y.z
7. Upload wheel file to PyPi with twine upload dist/*
8. Build new Docker container and upload to DockerHub

Adapted from scikit-learn's wiki.