Update the file_inject command so that it automatically creates directories.
Update the file_inject command so that it automatically creates directories.

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