The Josephine’s team grills Wednesday at the Taste of Somerville in Boynton Yards. (Photo: Marc Levy) The Taste of Somerville has been one of the largest food festivals in New England for much of its 28 years, and this year was packed too. Boynton Yards was nicely crowded (without beingclaustrophobic) for the Wednesday event’s more than 50 sampling tables of restaurants and drink purveyors and 1,000 attendees.