Updated openstack/openstack
Project: openstack/nova  2e667508792dd99877cb53d9e0d659ee5ec0ca3e

Remove needless workaround in utils module

Workaround for bug in netaddr library has been removed due to the fix
was introduced in 0.7.6 and nova currently requires 0.7.12 or newer version.

Change-Id: If83cd8ee770d57547f4cfcdbba4a9fbfd55d5983
Related-Bug: #957708
Updated openstack/openstack
Project: openstack/nova  b394aab988ece1279daa71ea4e03ee5e87ce08de

Remove unused cinder code

The removed functions aren't used anywhere except in unit tests, so just
remove them.

Change-Id: Id52e8837152fa8654131ca79e50582e03622b765