Make tagset work again, add replaygain loading
Fix file scanning
Add replay_gain output
Fix the replay gaining
More attempts to fix replaygaining
More RG attempts
And yet again more attempts
Gain scanning works but does not save to the DB

Thanks to having to wait for IO to flush out.  Work continues.
Replaygain: Fixed.
Scan results admin tool
Fix Safari 7 window.performance illegal call
Fix previous commit
Fix window.performance, again
Add DJ Election tool to admin panel
Fix admin cooldown tool
DJ Elections now work well.
Fix election internal typing naming
Fix Chrome scrollwheel acceleration
Better working playlist filtering & nav
Fix album art