Merge pull request phaserjs#2284 from RetrocadeNet/tweenManagerStubMethodToPreventError

Added removeAll to TweenManager's stub so call from stageManager does…

Author: photonstorm

src/stubs/TweenManager.js

@@ -12,5 +12,6 @@
 Phaser.TweenManager = function () {};
 
 Phaser.TweenManager.prototype.update = function () {};
+Phaser.TweenManager.prototype.removeAll = function () {};
 
 Phaser.TweenManager.prototype.constructor = Phaser.TweenManager;