make template.ovf more compatible to a wider range of virtual envs (e.g. proxmox).
make template.ovf more compatible to a wider range of virtual envs (e.g.
proxmox).

jens-maus/RaspberryMatic,jens-maus/RaspberryMatic,jens-maus/RaspberryMatic,jens-maus/RaspberryMatic,jens-maus/RaspberryMatic,jens-maus/RaspberryMatic