A Washington County sign hangs at the county line along Rt. 9 at Beddington. Photo by Linda Coan O'Kresik of the Bangor Daily News.MACHIAS — Washington County commissioners are moving forward with plans to make the treasurer an appointed position and to shift county spending from a calendar year to a fiscal year that runs July 1 through June 30. County Manager Renée Gray told commissioners Thursday that Heidi Peckham, director of elections and v…