Fix bug #508.  Group autoscale not set from metadata file
Fix bug #508.  Group autoscale not set from metadata file

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