Add option to clean dist dir to build-assets.py
Add option to clean dist dir to build-assets.py

indico/indico,OmeGak/indico,pferreir/indico,pferreir/indico,mvidalgarcia/indico,ThiefMaster/indico,DirkHoffmann/indico,ThiefMaster/indico,mvidalgarcia/indico,pferreir/indico,mic4ael/indico,pferreir/indico,mic4ael/indico,OmeGak/indico,indico/indico,OmeGak/indico,ThiefMaster/indico,mic4ael/indico,DirkHoffmann/indico,mic4ael/indico,OmeGak/indico,DirkHoffmann/indico,mvidalgarcia/indico,ThiefMaster/indico,mvidalgarcia/indico,indico/indico,DirkHoffmann/indico,indico/indico