issue #359 - ASSIGNED: Implement FilterGraph EMF/GMF model 
http://agalaldev.info/dev/mantis/view.php?id=359

- Basic validation of EMF model is implemented
--- Extending EValidator, and invoking Model validation service from within
--- Contributing two basic constrains, onefor port connections and the other for naming of identifiables

- Moving Ecore package of filter model to be "ovap.video.filter.filtersetup", instead of "ovap.video.filter.setup.model"
--- This includes model re-generation and moving/renaming of artifacts
issue #374 - ASSIGNED: Refactor artifact locations 
http://agalaldev.info/dev/mantis/view.php?id=374

- Renaming some packages/extension points to conform to components' naming pattern
issue #365 - ASSIGNED: Review Filter instantiation mechanism 
http://agalaldev.info/dev/mantis/view.php?id=365