Updated openstack/openstack
Project: openstack/nova  716e2137b27ab0d55388d421b7680d1d63adb2cb
null
platform independence for test_virt unit tests

Uses mock to avoid direct use of /proc file system
in the unit tests. This makes these tests platform
independent.

Change-Id: I21986681a9a1a6db516957246b71d7fd2055d44b