This changeset reverts some or all edits made in changesets 163108643, 163108644, 163108645, 163108646, 163108648, 163108652, 163108656, 163108660, 163108663, 163108666, 163140100, 163140105, 163140111, 163140117, 163140123, 163140130, 163140135, 163140142, 163140147, 163140152.