more fixes for heroku.
	deleted:    db/migrate/20130712194535_remove_dumb_tables.rb
	deleted:    db/migrate/20130715172215_drop_connections.rb
	deleted:    db/migrate/20130715172327_drop_fp.rb
	deleted:    db/migrate/20130715172350_drop_fp2.rb
	deleted:    spec/models/connection_spec.rb