Make "make test" detect whether to use virtualenv or not, thus making virtualenv optional.
Make "make test" detect whether to use virtualenv or not, thus making virtualenv optional.
rackerlabs/melange,openstack-attic/melange,rajarammallya/melange,rackerlabs/melange,openstack-attic/melange,rajarammallya/melange,rajarammallya/melange,openstack-attic/melange,rackerlabs/melange