vz: add balloon group to all domain stats
vz: add balloon group to all domain stats

olafhering/libvirt,libvirt/libvirt,andreabolognani/libvirt,jfehlig/libvirt,taget/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,eskultety/libvirt,fabianfreyer/libvirt,zippy2/libvirt,taget/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,taget/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,eskultety/libvirt,crobinso/libvirt,crobinso/libvirt,taget/libvirt,crobinso/libvirt,olafhering/libvirt,jfehlig/libvirt,zippy2/libvirt,VenkatDatta/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt,datto/libvirt,jfehlig/libvirt,datto/libvirt,nertpinx/libvirt,crobinso/libvirt,datto/libvirt,andreabolognani/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,taget/libvirt,zippy2/libvirt,olafhering/libvirt,nertpinx/libvirt,libvirt/libvirt,zippy2/libvirt,datto/libvirt,andreabolognani/libvirt,datto/libvirt,nertpinx/libvirt,eskultety/libvirt,olafhering/libvirt,eskultety/libvirt,jardasgit/libvirt,jardasgit/libvirt,nertpinx/libvirt,eskultety/libvirt,libvirt/libvirt,libvirt/libvirt