add set/get methods for coaxial touch angle, placeholders for now
add set/get methods for coaxial touch angle, placeholders for now

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