code: private Put getJobStatusPut() {
      Put pStatus = new Put(jobKeyBytes);
      byte[] valueBytes = Bytes.toBytes(this.jobStatus);
      byte[] qualifier = Bytes.toBytes(JobHistoryKeys.JOB_STATUS.toString().toLowerCase());
      pStatus.addColumn(Constants.INFO_FAM_BYTES, qualifier, valueBytes);
      return pStatus;
    }
docs: generates a put for job status
  @return Put that contains Job Status