About a dozen of Roseburg’s homeless residents toasted the New Year with sparkling cider inside a warming center at Unity Church on Winchester Street. It was a good start to the year, but the shelter will be closed most of this week. Limited resources means the shelter provides a refuge on only the coldest winter nights. The shelter was open Monday and Tuesday nights as temperatures dipped to 30 degrees, the threshold for opening the shelter. On Wednesday night, the temperature dropped to 28 degrees, but the shelter was closed because until that afternoon the National Weather Service was forecasting …