All example components have the propertie ClassName as selection
criterium.

Moved ComponentSelector classes to ComponentInterface, moved Examples to
ComponentExamples. Made all Examples adhere to ITK factory functionality.

- Changed to namespace selx
- Combined componentbase classes and based it on itkLightObject
- Initial combination of example components
- Made templated ComponentFactory to replace all specific factories

vs elxRequiredITKModules

ObjectFactoryBase anymore

check