add results and fix ocps

models/others/robots/human_urdf/urdf/panda_with_box.urdf

mpc/mpc_handover_hsu.py

mpc/mpc_human_robot_cdyn.py

mpc/ocp/ocp_handover_hsu.py

mpc/ocp/ocp_human_robot_cdyn.py

mpc/results/Kp=40, Kd=4/control_tails.png

mpc/results/Kp=40, Kd=4/forces6D.png

mpc/results/Kp=40, Kd=4/iter_vs_stop.png

mpc/results/Kp=40, Kd=4/state_tails.png

mpc/results/Kp=40, Kd=4/video.mp4

mpc/results/Kp=700, Kd=150/control_tails.png

mpc/results/Kp=700, Kd=150/forces6D.png

mpc/results/Kp=700, Kd=150/iter_vs_stop.png

mpc/results/Kp=700, Kd=150/state_tails.png

mpc/results/Kp=700, Kd=150/video.mp4

mpc/results/Kp=8, Kd=2.5/control_tails.png

mpc/results/Kp=8, Kd=2.5/forces6D.png

mpc/results/Kp=8, Kd=2.5/iter_vs_stop.png

mpc/results/Kp=8, Kd=2.5/state_tails.png

mpc/results/Kp=8, Kd=2.5/video.mp4