adjusted small things in the task desctiption

...ripts/controller/controller_task/trajectory_controller.py

...tion_scripts/intermediate/exercise_1/exercise_1_1_eval.py

...n_scripts/move_it/move_it_basics/move_it_basics_4_eval.py

...ipts/controller/controller_task/position_controller.ipynb

...ts/controller/controller_task/trajectory_controller.ipynb

...lution_scripts/intermediate/exercise_1/exercise_1_1.ipynb

...ion_scripts/move_it/move_it_basics/move_it_basics_3.ipynb

...n_scripts/move_it/move_it_objects/move_it_objects_2.ipynb

...n_scripts/move_it/move_it_objects/move_it_objects_3.ipynb

..._ws/src/learn_environment/task_pool/task_definitions.json

...move_it/move_it_intermediate/move_it_intermediate_1.ipynb