Make updatable 2014.1.1-5.1 to 2014.1.1-5.1.1

We should be able to update (patch) 5.1 cluster to 5.1.1, since we're
supporting OpenStack patching feature (experimental).

Change-Id: Ic585ea7e3903b3f373432a171bc69ee6fef99df0
Closes-Bug: #1391194