ElectreTriExploitation-J-MCDA: 0.5.3 in prod. for quite a long time now

just forgot to commit it
ElectreTri1GroupDisaggregationSharedProfiles: updated cmdline
10 ITTB WS v1.1 now in prod.
generate_diviz_descriptions.sh: cleaned up msgs printed on stdout
ITTB: added some tests.sh scripts