A 48-year-old Grass Valley homeless camp resident was found dead in his shelter Thursday morning - about two months after his brother died in the same camp in similar conditions. Ricky Thomas, a Grass Valley native, was found by Hospitality House outreach case manager Jeff Dupra, who was visiting the camp between East Bennett Road and Railroad Avenue to check on Thomas' well-being, said Executive Director Cindy Maple. Temperatures dipped below freezing both Wednesday and Thursday mornings as a cold front moved into the Grass Valley area, according to National Weather Service in Sacramento. Thomas had found his older brother, …