Fixed region_tree_viewer does not update the region tree correctly when a region containing subregions is added into the tree. Tracker item 2608, https://tracker.physiomeproject.org/show_bug.cgi?id=2608
Fixed region_tree_viewer does not update the region tree correctly when a region containing subregions is added into the tree. Tracker item 2608, https://tracker.physiomeproject.org/show_bug.cgi?id=2608

cmiss/cmgui,cmiss/cmgui