Python-rrmngmnt

- package_manager: Added pattern for remove packages (57
- Add function to check host network connectivity (55)
- Add operating system module (44)
- Enable coverage and improve test coverage (50)
- Python 3 compatibility (47)
- packaging: improve setup.cfg metadata (46)
- Improve code snippets in readme (43

- Download file from url
- Fix license classifier
- Additional functions to fs module
- Add power manager module 30
- Refactor is_connective function 29

Signed-off-by: Lukas Bednar lbednarredhat.com