Fuga updates

.gitlab-ci.yml

docs/notebooks/YawMisalignment.ipynb

py_wake/deficit_models/deficit_model.py

py_wake/deficit_models/fuga.py

py_wake/deflection_models/gcl_hill_vortex.py

py_wake/rotor_avg_models/gaussian_overlap_model.py

py_wake/site/jit_streamline_distance.py

py_wake/tests/test_deficit_models/test_XRDeficitModel.py

py_wake/tests/test_deficit_models/test_deficit_models.py

py_wake/tests/test_deficit_models/test_fuga.py

...ke/tests/test_deflection_models/test_deflection_models.py

py_wake/tests/test_deflection_models/test_fuga_deflection.py

py_wake/tests/test_rotor_avg_models/test_rotor_avg_models.py

py_wake/tests/test_utils/test_fuga_utils.py

py_wake/tests/test_utils/test_gradient_utils.py

py_wake/tests/test_wind_farm_models/test_all2allIterative.py

py_wake/utils/fuga_utils.py

py_wake/utils/model_utils.py

py_wake/utils/numpy_utils.py

py_wake/utils/plotting.py