* update component for xknx 0.11.0
- expose sensor state is not casted to float anymore
- climate mode operation list has no more None values
- light supports white_value (rgbw)
- sensor expects `group_address_state` now instead of `group_address`
- sensor forwards device_class if available
* update manifest to use xknx 0.11.0
* update requirements_all for xknx 0.11.0
* update for xknx 0.11.1
- require xknx 0.11.1
- use 'state_address' instead of 'address' in sensor and binary_sensor configuration
- optional 'sync_state' for sensors and binary_sensors
* remove questionable `del kwargs`