core: fix numa update info

* Adding missing numa info to vds.clone()
* Update numa only when it's reported

Change-Id: I13c587521d9233b74a27aba59a5c1c7ca386e1db
Bug-Url: https://bugzilla.redhat.com/1069303
Signed-off-by: Gilad Chaplik <gchaplik@redhat.com>