Merge remote-tracking branch 'origin/dev-max' into develop

...aluation_scripts/beginner/exercise_2/exercise_2_1_eval.py

...aluation_scripts/beginner/exercise_2/exercise_2_2_eval.py

...aluation_scripts/beginner/exercise_3/exercise_3_1_eval.py

...ol/evaluation_scripts/ros/ros_advanced/exercise_1_eval.py

...pool/evaluation_scripts/ros/ros_basics/exercise_1_eval.py

...pool/evaluation_scripts/ros/ros_basics/exercise_2_eval.py

...pool/evaluation_scripts/ros/ros_basics/exercise_3_eval.py

catkin_ws/src/learn_environment/task_pool/reset.py

...l/solution_scripts/beginner/exercise_2/exercise_2_2.ipynb

...l/solution_scripts/beginner/exercise_3/exercise_3_1.ipynb

...k_pool/solution_scripts/ros/ros_advanced/exercise_1.ipynb

...ask_pool/solution_scripts/ros/ros_basics/exercise_1.ipynb

...ask_pool/solution_scripts/ros/ros_basics/exercise_2.ipynb

...ask_pool/solution_scripts/ros/ros_basics/exercise_3.ipynb

...arn_environment/task_pool/solution_scripts/template.ipynb

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