check IGV directory before oAuth options.  Fixes #947
check IGV directory before oAuth options.  Fixes #947

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