This changeset reverts some or all edits made in changesets 154113763, 154113923, 154114194, 154114252, 154114308, 154114472, 154114587, 154114702, 154114784, 154114893, 154114966, 154118036, 154118106, 154118208, 154118479, 154118594, 154118710, 154118732, 154118750.