AirlineDemoSmall:
  - single CSV and XDF files
  - AirlineDemoSmallComposite/
    composite XDF has been created from the CSV version; the conversion
    call is tested in HadoopIOQ_Tests.R:test.hadoop.dataGeneration()
  - AirlineDemoSmallSplit/
    split CSV has been generated from the composite XDF; the conversion
    call is tested in HadoopIOQ_Tests.R:test.hadoop.dataGeneration()

