[demo.py] Created new class DemoList that takes care of listing, checking, building and mounting demos, implemented reload of the main index page with update of the demo list, checked and (re-)mounted
[demo.py] Created new class DemoList that takes care of listing, checking, building and mounting demos, implemented reload of the main index page with update of the demo list, checked and (re-)mounted

mcolom/ipolDevel,mcolom/ipolDevel,mcolom/ipolDevel,mcolom/ipolDevel