Update agreement model to db mapping to keep in sync with Layout3 changes.
Change EF to use brownfield initialization and ignore binary app data.
Revert back to SQL seeder after correcting changed field names in sql file.
Make Brownfield model initializer and seeders the db default.
Remap institutional agreement entities to match new layout 3 db schema.
Bridge EF model with layout3 changes to People.Affiliation entity.