This changeset reverts some or all edits made in changesets 159562152, 159562210, 159562238, 159562254, 159562353, 159562480, 159562590, 159562771, 159563620, 159563857, 159570674, 159570807, 159570863, 159570914, 159570960, 159571191, 159602553, 159608466, 159608501.