Replaced all itk::SmartPointer-s by std::shared_ptr-s and all raw
interface pointers too.

BlueprintTest

work

factory SuperElastix/SuperElastix#25

class and derived templated class to have static/typed control over the
Components to be registered. Aim: remove the use of the global itk object
factory

SuperElastixFilterCustomComponents<...>

default components)