default to color by RGB when creating a new pointcloud
default to color by RGB when creating a new pointcloud

patmarion/director,patmarion/director,manuelli/director,mitdrc/director,mitdrc/director,manuelli/director,patmarion/director,RobotLocomotion/director,openhumanoids/director,openhumanoids/director,openhumanoids/director,mitdrc/director,openhumanoids/director,RobotLocomotion/director,manuelli/director,patmarion/director,RobotLocomotion/director,manuelli/director,RobotLocomotion/director,RobotLocomotion/director,manuelli/director,patmarion/director,mitdrc/director,mitdrc/director,openhumanoids/director