This changeset reverts some or all edits made in changesets 154654372, 154655311, 154655591, 154655814, 154655999, 154656302, 154656349, 154656496, 154656784, 154657549, 154657900, 154659523, 154659939, 154660172, 154660219, 154660471, 154660887, 154661239.