This changeset reverts some or all edits made in changesets 153079446, 153080066, 153080257, 153080864, 153080905, 153081086, 153081342, 153081405, 153081470, 153081533, 153084046, 153122430, 153124338, 153221511, 153221631, 153221657, 153328197, 153337606, 153337919, 153338010, 153338162, 153338267, 153338483, 153338594, 153338709.