v 0.2.5 (2016_01_16) : --downloaddefaultcfg=[home|local]
o '-ddcfg' > '-dlcfg'
o --downloaddefaultcfg takes now a parameter : 'local' or 'home';
with 'home', the downloaded file is moved in the user's home directory.
o improved read_parameters_from_cfgfile : test the existence of some values in the cfg file
o (defaukt)katal.ini : fixed logfile's maximal size to 100 Mo
o added the chart.txt file
o welcome() : command line arguments are now displayed
o improved the documentation in README.md
o updated pylintrc (max-branches=18)
o 6 tests, pylint=10.0 for the three Python scripts
o version packaged and sent to Pypi (https://pypi.python.org/pypi/Katal)
