624: Do Less Math in Computers

1231.209 - 1252.765 John Siracusa

I threw away the NS cell-based one, reverted to the view-based one, did the two-line fix, and honestly, you can't really tell the difference. Unless you AP test it, it looks exactly the same as it was before. But I know it's ever so slightly better, and that's what matters. And the final thing on this topic, a bunch of people are asking about WebKit performance and scrolling performance. Yeah.