The script to update /data/mta4/www/DAILY/mta_pcad/IRU/update_plt_data.pro

Scirpt:
update_weekly_run_file.py --- this will creates updated update_plt_data.pro
                              for the nearest Thu-Wed period.

Directory:
----------
Template    ---- a directory containg a template

Date needed:
------------
Template/update_plt_data_template

Environment setting
-------------------
None, but if it fails, set:
setenv PYTHONPATH "/proj/sot/ska/arch/x86_64-linux_CentOS-5/lib/python2.7/site-packages:"