Use docker container for version v0.5.15

aggregate_and_plot.cwl

steps/DPPP.cwl

steps/combine_inspect_dataset.cwl

steps/create_inspect_dataset.cwl

steps/extract_quality_metrics.cwl

steps/extract_sip_meta.cwl

steps/fix_antenna_information_2013.cwl

steps/fix_antenna_information_2015.cwl

steps/fix_long_baselines.cwl

steps/fix_weightissue_flagging.cwl

steps/identify_issues.cwl

steps/inspect_flagging_dataloss.cwl

steps/plot_uvw_coverage.cwl