better repo orga

mpc/mpc_box_to_table.py

-from mpc.ocp_box_to_table import OCP_Crocoddyl
+from mpc.ocp.ocp_box_to_table import OCP_Crocoddyl
 from utils.robot import Robot
 from utils.visualization import place
 from pinocchio.visualize import GepettoVisualizer

mpc/mpc_human_hands_robot.py

-from mpc.ocp_human_hands_robot import OCP_Crocoddyl
+from mpc.ocp.ocp_human_hands_robot import OCP_Crocoddyl
 from utils.robot import create_scene, Robot
 from utils.visualization import place
 from pinocchio.visualize import GepettoVisualizer

mpc/mpc_human_robot_cdyn.py

-from mpc.ocp_human_robot_cdyn import OCP_Crocoddyl, iterativeOCP_Crocoddyl
+from mpc.ocp.ocp_human_robot_cdyn import OCP_Crocoddyl, iterativeOCP_Crocoddyl
 from utils.robot import create_scene, Robot
 from utils.visualization import place
 from pinocchio.visualize import GepettoVisualizer