linknx/eibd rolladen group addresses

[erpel]

Fine.
Patch is attached.
Greets, davall

MySQL support and patch is integrated; still need to compile for armel; you can expect a new version in the next hours (linknx_0.0.1.26-4_amd64.deb).

If you have your xml file; just mail it to me (see pkg info); I'll add it as another example in the docs.