Renamed OrbitControls and updated build script

src/extras/controls/OrbitControls.js

@@ -2,7 +2,7 @@
  * @author qiao / https://github.com/qiao
  */
 
-THREE.OrbitalControls = function( object, domElement ) {
+THREE.OrbitControls = function( object, domElement ) {
   
 	this.object = object;
 	this.domElement = ( domElement !== undefined ? domElement : document );

utils/build.py

@@ -110,7 +110,7 @@ EXTRAS_FILES = [
 'extras/controls/FlyControls.js',
 'extras/controls/RollControls.js',
 'extras/controls/TrackballControls.js',
-'extras/controls/OrbitalControls.js',
+'extras/controls/OrbitControls.js',
 'extras/geometries/CubeGeometry.js',
 'extras/geometries/CylinderGeometry.js',
 'extras/geometries/ExtrudeGeometry.js',