The data file move to ..

The file faapp.sqlite has moved one directory level higher
and now it is shared between steps (as long as we don't change
the directory structure).
Synced with step02.

Moved the ORM class discovery from the view top to model/meta.
Joined edit and saveedit handlers into one.
Removed added post-configuration functions.
Introspection to get the field set's class name.
Added step04.

Uses custom grid to supply the edit and delete links.