This changeset reverts some or all edits made in changesets 137149379, 137149435, 137149783, 137149806, 137149972, 137150083, 137150169, 137150428, 137150469, 137150497, 137150554, 137150654, 137151209, 137151257, 137151653, 137152199, 137152350, 137152740, 138617286.