Update to 0.10.1 (#1406143).
Also,
- Change license from GPLv2+ to BSD (upstream switched with 0.9.0).
- Rework the spec file to use the python_provide macro.
- Name the executables with Python version suffixes.
- Do not conditionalize python3 builds.
- Depend on python2-setuptools instead of python-setuptools.
- Reorganize some attributes.