Port to geoVI compatible NIFTy_7

.gitlab-ci.yml

ChangeLog.md

README.md

demos/getting_started_3.py

demos/getting_started_5_mf.py

demos/getting_started_density.py

demos/variational_inference_visualized.py

docs/source/code.rst

docs/source/ift.rst

src/__init__.py

src/minimization/kl_energies.py

src/minimization/metric_gaussian_kl.py

src/operators/energy_operators.py

src/operators/operator.py

src/operators/sandwich_operator.py

src/operators/simple_linear_operators.py

src/sugar.py

test/test_kl.py

test/test_mpi/test_kl.py

test/test_operators/test_simplification.py