overrides ORYX.Editor constructor for accessing to unique instance (Singleton-like)

ORYX.Editor.getInstance

// overrides ORYX.Editor constructor for accessing to unique instance (Singleton-like)
(function(OE){
	var proxy = OE.prototype.construct;
	OE.getInstance = function(){
		return OE.instance;
	};
	OE.prototype.construct=  function(){
		proxy.apply(this, arguments);
		OE.instance = this;
	};
})(ORYX.Editor);

// now, after ORYX.Editor constructor has been called,
// you can access to unique ORYX.Editor instance by this way : 
//    var myEditor = ORYX.Editor.getInstance();