packaging: add required packages...

Add packages required for oVirt repository closure.
Add also libvirt from Fedora Virt Preview on Fedora 19
allowing 3.4 cluster compatibility for VDSM.

Change-Id: Ib357d7066970496e94f45e19b931fe7b381ef1bc
Bug-Url: https://bugzilla.redhat.com/1082013
Bug-Url: https://bugzilla.redhat.com/1018947
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>