Fixes in HTML description migration script
Fixes in HTML description migration script

Most importantly, fix encoding issues

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