drake designer: add support for bdi pelvis params height
drake designer: add support for bdi pelvis params height

manuelli/director,edowson/director,openhumanoids/director,RobotLocomotion/director,edowson/director,mitdrc/director,manuelli/director,empireryan/director,mithrandir123/director,empireryan/director,gizatt/director,mitdrc/director,empireryan/director,mithrandir123/director,patmarion/director,RussTedrake/director,RussTedrake/director,RobotLocomotion/director,gizatt/director,edowson/director,mitdrc/director,patmarion/director,manuelli/director,empireryan/director,mithrandir123/director,gizatt/director,empireryan/director,RussTedrake/director,mitdrc/director,RussTedrake/director,patmarion/director,patmarion/director,RobotLocomotion/director,edowson/director,openhumanoids/director,rdeits/director,mithrandir123/director,patmarion/director,mithrandir123/director,edowson/director,RobotLocomotion/director,rdeits/director,rdeits/director,RobotLocomotion/director,rdeits/director,mitdrc/director,openhumanoids/director,rdeits/director,RussTedrake/director,manuelli/director,openhumanoids/director,gizatt/director,gizatt/director,openhumanoids/director,manuelli/director