Auto delete tree item's children upon destruction
Auto delete tree item's children upon destruction

arkana-fts/cegui,RealityFactory/CEGUI,RealityFactory/CEGUI,arkana-fts/cegui,cbeck88/cegui-mirror,arkana-fts/cegui,RealityFactory/CEGUI,cbeck88/cegui-mirror,arkana-fts/cegui,RealityFactory/CEGUI,cbeck88/cegui-mirror,cbeck88/cegui-mirror,arkana-fts/cegui,RealityFactory/CEGUI,cbeck88/cegui-mirror