* Update setup.py to prepare for PyPI release
* Remove stray __init__ file (was breaking pytype amongst other problems)
* Seals not benchmark_environments
* Rename benchmark_environments to seals
* Fix SEALS version
* Update configuration guidelines (now horribly out of date)
* Clarify contribution guidelines in README and update code coverage to have stricter check for project/main
* Add PyPi badge in anticipation of our glourious indexed future
* Update Ray to 0.8.x and make dependency optional