Renamed region tree viewer back to scene editor as it only supports modification of graphics at this moment. Tracker item 2627, https://tracker.physiomeproject.org/show_bug.cgi?id=2627
Renamed region tree viewer back to scene editor as it only supports modification of graphics at this moment. Tracker item 2627, https://tracker.physiomeproject.org/show_bug.cgi?id=2627

cmiss/cmgui,cmiss/cmgui