Python: updated package descriptions

zUtil_Python/VERSION

zUtil_Python/__init__.py

zUtil_Python/dct_batch.py

zUtil_Python/dct_batch_gui.py

zUtil_Python/dct_batch_oar_parameters.py

zUtil_Python/dct_compile_matlab_functions.py

zUtil_Python/dct_compile_mex_functions.py

zUtil_Python/dct_distrib.py

zUtil_Python/dct_io_xml.py

zUtil_Python/dct_matlab_invocation.py

zUtil_Python/dct_setup.py

zUtil_Python/dct_update_conf.py

zUtil_Python/dct_utils_platform.py