This changeset reverts some or all edits made in changesets 131041700, 131041713, 145391746, 145391818, 145483924, 145484586, 145484742, 146733669, 146734051, 146736206, 146845085, 146845705, 146928378, 146928593, 146967586, 146968066, 146968212.