Split ovirt-release to per version packages.

From now we are going to ship rpm per version
ovirt-release33 - for oVirt 3.3
ovirt-release34 - for oVirt 3.4

Change-Id: I0c2fefb53ac5bac2bea512c573b636a5da1a0aa8
Signed-off-by: Kiril Nesenko <knesenko@redhat.com>