Pympdata

fixing compatibility with older Numba versions (jitclass decorator usage)

metadata and README updates, cleanups

bugfix release improving numba version compatibility; README updates

Maintenance release with git package URLs removed from setup.py (possible as we are now on pypi.org).
Also: third-terms option enabled for 2D plus some cleanups.

Release accompanying initial PyPI submission.

What's Changed
* lower output steps for Cartesian by Delcior in https://github.com/open-atmos/PyMPDATA-MPI/pull/83
* switch positions of 2d spherical animations by Delcior in https://github.com/open-atmos/PyMPDATA-MPI/pull/85
* newer setuptools compatibility; silence pylint warnings on too many arguments for scenarion ctor by slayoo in https://github.com/open-atmos/PyMPDATA-MPI/pull/92


**Full Changelog**: https://github.com/open-atmos/PyMPDATA-MPI/compare/v0.0.4...v0.0.5