* Added new platform sky_hub
* added env to virtual environment gitingore
* Removed unuseful imports
* BT home hub 5 renamed to sky hub in the comments
* Added sky_hub to .coveragerc
* Added example configuration in sky_hub docstring
* sky_hub made compliant with test style standards
* homehub functions renamed to skyhub
* Update .gitignore
* Update .coveragerc
