One day in January, Dana Cremo was on her front porch hanging a vintage screen door when two city employees walked up.”You can’t park on your driveway,” they said.”Why?” she asked. “Because somebody filed a complaint,” they said.Five days later, an investigator notified Dana and her husband, Larry, that they had violated city codes by adding a driveway to their home in the city’s Historic Old Northeast. They were cited even though city officials had approved their plans four different times. Even thou