- code size optimizations
- added VD version 1.2 with DHT humidity support
- support relative humidity with the new VD
- adaptions to dht sensor definition in new VD
- default PA is 15.15.255
- replaced tabs with spaces
- removed old VD. Will be replaced with new vd

VD version 1.2 with:
- DHT temperature and relative humidity support
- Selectable DHT sensor