Small tidy-up.

Author: photonstorm

src/core/Group.js

@@ -1436,7 +1436,6 @@ Phaser.Group.prototype.postUpdate = function () {
 
 };
 
-
 /**
 * Find children matching a certain predicate.
 *

src/core/Stage.js

@@ -171,7 +171,7 @@ Phaser.Stage.prototype.update = function () {
 
 /**
 * This is called automatically before the renderer runs and after the plugins have updated.
-* In postUpdate this is where all the final physics calculatations and object positioning happens.
+* In postUpdate this is where all the final physics calculations and object positioning happens.
 * The objects are processed in the order of the display list.
 * The only exception to this is if the camera is following an object, in which case that is updated first.
 *
@@ -356,7 +356,7 @@ Phaser.Stage.prototype.setBackgroundColor = function (color) {
 *
 * @method Phaser.Stage#destroy
 */
-Phaser.Stage.prototype.destroy  = function () {
+Phaser.Stage.prototype.destroy = function () {
 
     if (this._hiddenVar)
     {