updated nova-agent version to v0.0.1.38 at Autoconf
updated nova-agent version to v0.0.1.38 at Autoconf

joejulian/openstack-guest-agents-unix,rackerlabs/openstack-guest-agents-unix,joejulian/openstack-guest-agents-unix,rackerlabs/openstack-guest-agents-unix,joejulian/openstack-guest-agents-unix,rackerlabs/openstack-guest-agents-unix