Updated openstack/openstack
Project: openstack/neutron  844a453a6a277b24a80374fbe4def34dc6725886

Clean-up sanity checks done via shell scripts

Move the various checks done via shell into a single file;
this is cleaner and we'll have a lot more space to explain
what is going on.

Related-bug: #1404605

Change-Id: Ibb451c6a25217f37b73983c30891f55b35f143cd