Updated builds.

build/three.js

@@ -9221,8 +9221,6 @@ THREE.JSONLoader.prototype.loadAjaxJSON = function ( context, url, callback, tex
 
 	var length = 0;
 
-	xhr.withCredentials = this.withCredentials;
-
 	xhr.onreadystatechange = function () {
 
 		if ( xhr.readyState === xhr.DONE ) {
@@ -9275,6 +9273,7 @@ THREE.JSONLoader.prototype.loadAjaxJSON = function ( context, url, callback, tex
 	};
 
 	xhr.open( "GET", url, true );
+	xhr.withCredentials = this.withCredentials;
 	xhr.send( null );
 
 };
@@ -9764,7 +9763,8 @@ THREE.SceneLoader.prototype.parse = function ( json, callbackFinished, url ) {
 		cameras: {},
 		lights: {},
 		fogs: {},
-		empties: {}
+		empties: {},
+		groups: {}
 
 	};
 
@@ -10124,6 +10124,24 @@ THREE.SceneLoader.prototype.parse = function ( json, callbackFinished, url ) {
 
 					}
 
+					if ( objJSON.groups !== undefined ) {
+
+						for ( var i = 0; i < objJSON.groups.length; i ++ ) {
+
+							var groupID = objJSON.groups[ i ];
+
+							if ( result.groups[ groupID ] === undefined ) {
+
+								result.groups[ groupID ] = [];
+
+							}
+
+							result.groups[ groupID ].push( objID );
+
+						}
+
+					}
+
 					if ( objJSON.children !== undefined ) {
 
 						handle_children( object, objJSON.children );
@@ -10805,12 +10823,6 @@ THREE.SceneLoader.prototype.parse = function ( json, callbackFinished, url ) {
 
 	}
 
-	color = data.defaults.bgcolor;
-	result.bgColor = new THREE.Color();
-	result.bgColor.setRGB( color[0], color[1], color[2] );
-
-	result.bgColorAlpha = data.defaults.bgalpha;
-
 	// synchronous callback
 
 	scope.callbackSync( result );