Updated openstack/openstack
Project: openstack/nova  94fec46537227c39edc810fcda7ed0d5c832a99f

Rename virtutils to the more common libvirt_utils

`libvirt_utils` is the more prevalent alias in the code for the module, so
rename `virtutils` to match.

Change-Id: Ib8d4291866bc53fa1980b70dd0f12e6b1fe10436
Updated openstack/openstack
Project: openstack/heat  85aa4fcc5a759e7f7ae04fc225727d84dd31cbf5

Remove deprecated tools/README instructions

Remove instructions for:

experimental_ssh_eventlet.py: deleted May 25, 2014 commit 318669f

openstack: deleted Sep 30, 2013 commit f4a9c0f

heat-keystone-setup: was never in the tools directory, but has
documentation in the man pages

Change-Id: I8ae3050e16163699849342e81d302942e763ac0c
Partial-Bug: 1338066