Add ability for to specify the baseFolder location which
contains Page assets such as PageYaml

* fixed: Code generator went through all .yaml in scr/main/resources
  causes 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