Fixes two bugs in the SeLion-Code-Generator

Code generator went through all .yaml in scr/main/resources which will cause errors if user has .yaml files that are not compatible with the SeLion-Code-Generator. SeLion-Code-Generator will now stay in the GUIData folder as described by the documentation.

fixed: .yaml files in the GUIData root folder can now be parsed correctly
Is this System.out required?