rgbdslam_datasets.launch: Use 3D->3D estimation by default
rgbdslam_datasets.launch: Use 3D->3D estimation by default

willdzeng/rtabmap_ros,Notou/rtabmap_ros,introlab/rtabmap_ros,Notou/rtabmap_ros,willdzeng/rtabmap_ros,Notou/rtabmap_ros,introlab/rtabmap_ros,introlab/rtabmap_ros,willdzeng/rtabmap_ros,introlab/rtabmap_ros