ovirt-node-plugin-vdsm.spec: increase the release

New build to include:
  - engine_page: order imports
  - engine_page: use vdsm to detect mgmt interface (BZ#1058257)
  - engine_page: remove unused app from ovirt.node
  - engine_page: remove unused import: exceptions
  - engine_page: display url/port only on availble (BZ#1057453)

Change-Id: Id0a429db1b1c34b5119e903489524b0534d8d836
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>