Adding the files for the test of unicode handling in commons and dgm
Adding support of unicode in the DGM
Adding support of unicode in the ISM
Adding support of unicode in the ISE
Adding support of unicode by smart_display, and adapting tests
Remove debug, remove copyright, adapt test_get_basedir_XXX (test_commons.CommonsUniTest)
Merge pull request #13 from AdrienDebrie/master

Management of unicode by the whole code and mechanism for different help messages.