There was plenty of optimism hustling around the field at Stewart Park Tuesday afternoon as the Roseburg High softball team continued to get ready for its 2013 season opener. The Indians, under 11th-year head coach Tony Campos, return five starters from last year’s team that finished 16-9 overall and came within an out of shocking eventual Class 6A state champion North Medford in the second round of the playoffs. Roseburg is scheduled to open on the road at Thurston of Springfield Thursday, weather permitting. Friday, the Tribe plays at South Salem, which lost to the Black Tornado in the state …