Add deprecation warning to get_running_instance_factory
Change tests to use RunningInstances directly
Do not completely overwrite os.environ during tests

pytest-cov sets some values in os.environ and so overwriting os.environ breaks
test coverage
Rename test class to reflect UUT
Improve docstrings
Group legacy and deprecated functions together
Test get_running_instances
Add .coveragerc and pytest.ini
Add tests for remote logger
Remove google style attribute
Add docstrings for Ec2Instance attributes
Change README
Add sphinx files

Pristine theme courtesy of
https://github.com/fabianbuechler/pristine-sphinx-theme
Ignore docs/_build