Function progress

src/background.js:925–931

(req)

        };

        var progress = function(req) {
            setTimer();
            if (req.progress) {
                TM_fire.status.progress = { n: req.progress.total, of: req.progress.totalSize * 6};
                // console.log("bg: fire download: " + req.progress.total + " bytes");
            }
        };

        var done = function(req) {
            setTimer();