Fix legacy modpython-style event links
Fix legacy modpython-style event links

DirkHoffmann/indico,indico/indico,DirkHoffmann/indico,indico/indico,ThiefMaster/indico,indico/indico,ThiefMaster/indico,DirkHoffmann/indico,ThiefMaster/indico,DirkHoffmann/indico,ThiefMaster/indico,indico/indico