[vdr] Run vdr as non-root

[Jan Wagner]

> 3. Add user vdr to other groups if necessary (edit /etc/group)
> 
> for DVD-access => disc

That would be "adduser vdr disk"

> 4. Chown your video-dir
> 
> chown vdr.root /home/recording -R
> 
> 5. Modify DVB-devices
> 
> chown root.vdr /dev/dvb -R

That could be done easier by adding user vdr to group video via "adduser
vdr video" as the dvb devices are by default in group video.

Cheers Jan