Inform user if a new version of IGV is available.  See #964
Inform user if a new version of IGV is available.  See #964

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