It's a wrap for the This Old House East Boston project! After a short ride on the Blue Line - the first subway in the world to run underneath a section of the ocean - master carpenter Norm Abram and host Kevin O'Connor arrive in East Boston to find furniture being delivered, a tent going up, and flat screen TVs being installed. Upstairs, custom cafe shutters complete the casual, cottage look for homeowner Chris Flynn, while downstairs, the grout on the glass tile backsplash is being finished in the first floor unit. Interior designer Lisey Good shows Kevin how she used paint color, lighting, and furniture to create a "boutique hotel" look for homeowner Liz Bagley, while upstairs, kitchen designer Kathy Marshall shows plumbing and heating expert Richard Trethewey the cottage kitchen and bath she designed with the help of beadboard, quartz countertops, white appliances and rustic tile. With the two-family complete, and two happy homeowners, the crew bids farewell to the unique seaside ne