make file names more consistent with LST
LST-1.{stream}.Run{run_number:05d}.{file_number:04d}.fits.fz
Example for R0 from LST1: LST-1.1.Run03633.0000.fits.fz
:
LST-1.{stream}.Run{run_number:05d}.{file_number:04d}.fits.fz
Example for R0 from LST1: LST-1.1.Run03633.0000.fits.fz
: