* Added invert flag for position for actuators that uses 100% for fully closed position
* Implementation of tilt functionality
* Bugfix check tilt
* Formatting
* Formatting fixes
* Formatting
* Bugfix set_tilt
* Minor modifications in configuration section
* Formatting
* Update knx.py
* add knx cover
also corrected bugs in device config
1. overwriting of addresses in KNXMultiAddressDevice
2. setting and getting int values
3. added percentage scaling
* Update __init__.py