NEW HAVEN >> Volunteers with the Canal Dock Boathouse are planning a soft opening of programs this summer to be ready for the day when the long-awaited facility opens. The 48,000-square-foot platform in New Haven Harbor just north of the Long Wharf Pier, which will support the boathouse, has been finished, but the boathouse itself won’t open its doors until the spring of 2017. John Pescatore, president of Canal Dock Boathouse, Inc., the nonprofit that will run the facility, s