[contribution-guide] Add instruction to use imperative in commit messages

See merge request !2993

Test 3D with new staggered freeflow model

See merge request !2830

* improve treatment of corners

prepare for deprecations and removals in dune-common 2.9

See merge request !2987

Feature/improve docker iamge creation script

See merge request !2985

Feature/pnm ff coupling

See merge request !2929

[privars] Specialize Dune::FieldTraits for SwitchablePrimaryVariables

See merge request !2983

This is now required by MultiTypeBlockVector and might be required
by other Dune matrix/vector/algebra interfaces in the future.

[md][fcsubdomainlocalassember] Revise incorporation of Dirichlet BCs

See merge request !2982

(cherry picked from commit 3b56a4b8)

[staggered/normalaxis] Add missing include

See merge request !2981

(cherry picked from commit 38e54169)

Fix extractline data script to work with more pvpython versions

Closes #1086

See merge request !2922

[md] Restructure multidomain tuple wrappers

See merge request !2972

Timo Koch authored 3 years ago and Dennis Gläser committed 3 years ago

* get returns reference like for tuple
* implement asTuple
* implement constructors using wrappers
* implement constructors getting tuples
* make interfaces take value types instead of only allowing r-value references
* provide const overload for get (pointer access)

[pnm] Allow the transmissibility of wetting phase to be zero in case of Circle throat shape

See merge request !2976

Implement new mobility treatment for case of disconnected water columns

Closes #1088

See merge request !2900

Leopold Stadler authored 3 years ago and Timo Koch committed 3 years ago

This disabled the momentum transport of the turbulence model
for the case that the water columns are not connected.
This is a first order reconstruction.

Improve python component

See merge request !2973

[python][spatialparams] Use DimWorldMatrix as PermeabilityType

See merge request !2975