provide "Mark as read" option on download queue

It'd be handy to be able to remove items in the download queue and mark them as unread on the same screen. I can delete items, but they'll only pop up again later, and as that icon annoys me when it's there, I tend to just download items I know I will never listen to over 3g just to empty the queue!

so a "remove and mark as read" option in the download list would be ace.