Rename lease files on v3 file SDs when renaming data and meta files

Change-Id: If3b3a2cf3499cc50b35b384ca72624d7f71c041a
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=886842
Signed-off-by: Yeela Kaplan <ykaplan@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/10208
Reviewed-by: Ayal Baron <abaron@redhat.com>
Reviewed-by: Federico Simoncelli <fsimonce@redhat.com>