Add absolute_download_link prop to attachment
Add absolute_download_link prop to attachment

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