Five things: Boston taxes, CFO resigns, lab losses and my favorite travel app

Good morning, Boston. Happy National Cranberry Relish Day. Here are the five things you need to know in local business news to start your busy workday.After terminating its CEO three weeks ago, a local technology firm has parted ways with its chief financial officer and four other employees as a result of its internal revenue investigation, Lucy Maffei reports.A lab building in Burlington that traded for $103 million two years ago is back on the market, Greg Ryan reports — with expectation