Quick fix to make Editor and examples using BufferGeometry working again after EventTarget changes.

This will need some more thought, before we didn't really do anything about BufferGeometry deallocation.

src/core/BufferGeometry.js

@@ -4,6 +4,8 @@
 
 THREE.BufferGeometry = function () {
 
+	THREE.EventTarget.call( this );
+
 	this.id = THREE.GeometryIdCount ++;
 
 	// attributes
@@ -540,6 +542,12 @@ THREE.BufferGeometry.prototype = {
 		this.hasTangents = true;
 		this.tangentsNeedUpdate = true;
 
+	},
+
+	deallocate: function () {
+
+		this.dispatchEvent( { type: 'deallocate' } );
+
 	}
 
 };

src/renderers/WebGLRenderer.js

@@ -5240,7 +5240,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 		if ( material.needsUpdate ) {
 
-			if ( material.program ) _this.deallocateMaterial( material );
+			if ( material.program ) deallocateMaterial( material );
 
 			_this.initMaterial( material, lights, fog, object );
 			material.needsUpdate = false;