ise KNX viega

**Integration of the Fonterra Smart Control single-room control by viega into the KNX system.**

# Features:
* Support of 5 base stations each with up to 8 room temperature controllers and 12 outlets
* Room temperature control
* Power level control
* Absence control
* System information such as error messages, actual temperature or updates from viega
* Simple integration in KNX (can be completely configured via ETS)
* Extensions via firmware updates