Once-grand Boxwood Hall in Haddonfield stood instead as a dilapidated backdrop for Wednesday’s mid-day formal press conference to introduce the new redeveloper, Michael Pasquarello, and the borough’s deal with his company, R&S Boxwood Hospitality LLC, for the purchase and renovation of the historic 1.4-acre property on Haddon Avenue across from the town’s library. “I’m honored to stand here…