Updated openstack/openstack
Project: openstack/nova  2195b385f9a721a6e2087d5a5b99594e7bfa79c0

libvirt: add support for memory tuning in config

Add a libvirt config class for dealing with the XML elements
under the <memtune> element of the guest schema

Blueprint: virt-driver-large-pages
Change-Id: I141fcf4fd95f61f7fc3a5d0209dc2b1319ede941