Merge branch 'new_classes' into 'devel'

.gitlab-ci.yml

bin/pycif_test.sh

docs/source/devtutos/newfluxdata/newfluxdata.rst

pycif/plugins/datastreams/__init__.py

pycif/plugins/modes/analytic/build_H.py

pycif/plugins/modes/ensrf/build_H.py

tests/dummy/fixtures/fwd.py

tests/dummy/fixtures/postprocessing.py

tests/dummy/test_integration_1fwd.py

tests/dummy/test_integration_3inversions.py

tox.ini