This changeset reverts some or all edits made in changesets 154855539, 154856081, 154856362, 154856588, 154856729, 155051549, 155051676, 155051771, 155052100, 155053946, 155054087, 155098801, 155099303, 155099542, 155117712, 155118203, 155118265, 155118322, 155118443, 155118585, 155118679, 155118772, 155118885, 155119041, 155119132, 155157889, 155158060, 155158269, 155158476, 155203704, 155203993, 155204226, 155204283, 155204340, 155206195, 155206376, 155206472, 155206556, 155206625, 155206828, 155206971, 155249349, 155249466, 155249751, 155249881, 155251314, 155252182, 155312020, 155312028, 155312134, 155312178, 155312252, 155312308, 155314569, 155314592, 155314609, 155314641, 155314662, 155314690.