code: function undeploy(mode, target, system, containerDef, container, out, cb) {
      logger.info('undeploying');
      out.stdout('undeploying');
      cb();
    }
docs: undeploy the container from the target
  target - target to deploy to
  system - the target system defintinion
  cdef - the contianer definition
  container - the container as defined in the system topology
  out - ouput stream
  cb - complete callback