Added support for mutliple edit forms based on entity type This makes it possible to have different edit forms in timeline based on which workflow type is used. Patch by: Sverre Rabbelier

Added an 'edit timeline' button to the program edit page Also made the create timeline functionality use the logic modules introduced in the previous commit. Patch by: Sverre Rabbelier

Started on edit timeline Added a gsoc timeline logic module. Also added a scope_path as the key_field to timeline. Updated the django_paterns to only include the edit field and removed link_id as dynafield. Patch by: Sverre Rabbelier