This changeset reverts some or all edits made in changesets 152996122, 152998781, 153000052, 153125249, 153125489, 153465195, 153465541, 153466424, 153467244, 153498856, 153500156, 153500424, 153500484, 153500666, 153500759, 153505880, 153505909, 153505966, 153506063, 153506332, 153507802, 153508171, 153509735, 153514066, 153545294, 153545903, 153547095, 153551122, 153557896, 153559232, 153585588, 153589589, 153591382, 153600631, 153600836, 153623349, 153647903, 153647925, 153648360, 153648615, 153666744, 153667253, 153667393, 153667834, 153702453, 153705045, 153742604, 153746485, 153747996, 153748727, 153750495, 153754652, 153755068, 153784049, 153818173, 153818862, 153821303, 153854732, 153866445, 153866527, 153894557, 153972413, 154017764, 154060120, 154060202, 154151143, 154176799, 154181806, 154260546.