ddDrakeModel: add out of bounds check for incoming est robot state
ddDrakeModel: add out of bounds check for incoming est robot state

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