[ci] Restore internal Python environment also for cpp build

See merge request !2940

This is because Dune currently installs Python packages during make for some reason.

[readme] Add repo status badge

See merge request !2939

[python] Fix setup.py to find all sub-packages and add dev dependencies

See merge request !2938

[dune.module] Add version for dune-subgrid

See merge request !2935

[python][cleanup] Run black on setup.py

See merge request !2936

[python] Make bindings work with dune 2.9

See merge request !2934

[bin][parameter] Implement new parameter extraction scripts

Closes #959

See merge request !2933

Yue Wang authored 3 years ago and Timo Koch committed 3 years ago

Manual inputs are provided via a human-readable json file which is
under version control. The parameters.txt file is now completely
auto-generated and shouldn't be manually edited. All edits
happen to the json file. This makes sure formatting and data
are separated properly and git changes are minimal.

[fcstaggered] Various fixes

See merge request !2932

* outsideVolVars already contain Dirichlet values

[pnm][transmissibilityPatzekSilin] Clean-up and add assert

See merge request !2931

Fix BoundaryFlux class in pore network

Closes #996

See merge request !2869