More height, more athleticism, more experience. Roseburg High girls basketball coach Jeff Thomas is quietly optimistic about his 2012-13 edition, which has seven seniors and added an all-state player from a small school. The Indians, who have endured five straight losing seasons (they won two Southern Oregon Hybrid games and finished 8-17 overall a year ago), opened last Thursday on the road with a 71-50 victory over North Eugene — a positive start for a team that had problems putting the ball in the basket last winter. “We’re bigger than we’ve been and have some good athletes in different spots. …