Swap viewports to match previous layout

examples/webgl_multiple_views.html

@@ -72,7 +72,7 @@
 				},
 				{
 					left: 0.5,
-					bottom: 0.5,
+					bottom: 0,
 					width: 0.5,
 					height: 0.5,
 					background: new THREE.Color( 0.7, 0.5, 0.5 ),
@@ -87,7 +87,7 @@
 				},
 				{
 					left: 0.5,
-					bottom: 0,
+					bottom: 0.5,
 					width: 0.5,
 					height: 0.5,
 					background: new THREE.Color( 0.5, 0.7, 0.7 ),