[Improvment] No Need to Return Namespace for Auto-Register Method

[usernane]

Problem

In the method WebFioriApp::autoregister(), it is noticed that the namespace of the class must be returned in order to be registered. The return statement can be removed if application is well structured.

Solution

To auto-register classes without returning the namespace, we have to construct the namespace of the class using two arguments which we already have. The first one is the name of the application folder which is represented by the constant APP_DIR_NAME and the other argument which is the name of the folder that holds the classes that will be auto-registered.