CC-2290:Clicking on another tab whilst uploading track kills
CC-2290:Clicking on another tab whilst uploading track kills

- note that change in queue will trigger the alert(on unload),
not the actual upload process

ReganDryke/airtime,radiorabe/airtime,Ryex/airtime,justvanbloom/airtime,thnkloud9/Airtime,comiconomenclaturist/libretime,sourcefabric/Airtime,LibreTime/libretime,thnkloud9/Airtime,sourcefabric/Airtime,Lapotor/libretime,sourcefabric/Airtime,comiconomenclaturist/libretime,comiconomenclaturist/libretime,ReganDryke/airtime,sourcefabric/airtime,radiorabe/airtime,radiorabe/airtime,justvanbloom/airtime,ReganDryke/airtime,sourcefabric/Airtime,sourcefabric/airtime,sourcefabric/Airtime,radiorabe/airtime,justvanbloom/airtime,comiconomenclaturist/libretime,justvanbloom/airtime,thnkloud9/Airtime,sourcefabric/airtime,justvanbloom/airtime,Lapotor/libretime,sourcefabric/airtime,radiorabe/airtime,LibreTime/libretime,sourcefabric/airtime,comiconomenclaturist/libretime,Lapotor/libretime,ReganDryke/airtime,sourcefabric/airtime,comiconomenclaturist/libretime,LibreTime/libretime,Ryex/airtime,thnkloud9/Airtime,sourcefabric/Airtime,sourcefabric/Airtime,radiorabe/airtime,thnkloud9/Airtime,Ryex/airtime,LibreTime/libretime,Lapotor/libretime,Ryex/airtime,ReganDryke/airtime,Lapotor/libretime,LibreTime/libretime,Ryex/airtime,justvanbloom/airtime,sourcefabric/airtime,thnkloud9/Airtime,comiconomenclaturist/libretime,LibreTime/libretime,Lapotor/libretime,radiorabe/airtime,justvanbloom/airtime,Ryex/airtime,ReganDryke/airtime,thnkloud9/Airtime,Ryex/airtime,ReganDryke/airtime