change package name to verse

demo/F16/F16_waypoint_scene.py

demo/F16/aerobench/run_f16_sim.py

demo/ball/ball_bounces.py

demo/ball_bounces_dev.py

demo/dryvr_demo/origin_agent.py

demo/dryvr_demo/rendezvous_demo.py

demo/dryvr_demo/thermo_demo.py

demo/dryvr_demo/thermo_demo2.py

demo/dryvr_demo/vanderpol_demo.py

demo/dryvr_demo/vanderpol_demo2.py

demo/quadrotor/quadrotor_agent.py

demo/quadrotor/quadrotor_demo.py

demo/vehicle/controller/example_controller3.py

demo/vehicle/controller/example_two_car_sign_lane_switch.py

demo/vehicle/demo2.py

demo/vehicle/demo3.py

demo/vehicle/demo4.py

demo/vehicle/demo5.py

demo/vehicle/demo6.py

demo/vehicle/demo7.py