def queue(id)
      Log.debug "Queuing held job id #{id}"
      job = @jobs_by_id[id]
      job.owner = nil
      job.time_start = Time.now
      job.time_end = nil
      job.status = Executor::STATUS_NONE
      self.push(job)
    end
def queue(id)
      Log.debug "Queuing held job id #{id}"
      job = @jobs_by_id[id]
      job.owner = nil
      job.time_start = Time.now
      job.time_end = nil
      job.status = Executor::STATUS_NONE
      self.push(job)
    end
Queue a held job by id