Force background tasks to run in single thread during startup (prior to main frame being opened)
Force background tasks to run in single thread during startup (prior to main frame being opened)

git-svn-id: b5cf87c434d9ee7c8f18865e4378c9faabe04646@668 17392f64-ead8-4cea-ae29-09b3ab513800

amwenger/igv,igvteam/igv,godotgildor/igv,amwenger/igv,igvteam/igv,itenente/igv,amwenger/igv,itenente/igv,itenente/igv,itenente/igv,godotgildor/igv,igvteam/igv,godotgildor/igv,amwenger/igv,godotgildor/igv,itenente/igv,igvteam/igv,amwenger/igv,godotgildor/igv,igvteam/igv