update url mappings to eliminate cloudfront -- too flaky
update url mappings to eliminate cloudfront -- too flaky

igvteam/igv,amwenger/igv,igvteam/igv,amwenger/igv,amwenger/igv,igvteam/igv,igvteam/igv,amwenger/igv,amwenger/igv,igvteam/igv