Obtain --matlab-dir automatically

[tashrifbillah]

• Omit --matlab-dir since it is located inside Python script directory
• Use os.path.abspath(os.path.dirname(__file__)) inside each Python script to obtain the --matlab-dir

(scroll to far right)

dplocate/dplocate0-read/parse_gps_mc.py            --phoenix-dir dplocate-phoenix --study BWH --consent-dir dplocate-phoenix/GENERAL/ --matlab-dir dplocate/dplocate0-read/ &&
dplocate/dplocate1-preprocess/preprocess_gps_mc.py --phoenix-dir dplocate-phoenix --study BWH --consent-dir dplocate-phoenix/GENERAL/ --matlab-dir dplocate/dplocate1-preprocess/ &&
dplocate/dplocate2-process/process_gps_mc.py       --phoenix-dir dplocate-phoenix --study BWH --consent-dir dplocate-phoenix/GENERAL/ --matlab-dir dplocate/dplocate2-process/ &&
dplocate/dplocate3-aggregate/aggregate_gps_mc.py   --phoenix-dir dplocate-phoenix --study BWH --consent-dir dplocate-phoenix/GENERAL/ --matlab-dir dplocate/dplocate3-aggregate/ &&
dplocate/dplocate4-plot/phone_gps_mc.py            --phoenix-dir dplocate-phoenix --study BWH --consent-dir dplocate-phoenix/GENERAL/ --matlab-dir dplocate/dplocate4-plot/

Hi @hre80 , what do you think?