Merge branch 'feature/cvfe-unify-assembler' into 'master'

CHANGELOG.md

dumux/assembly/boxlocalassembler.hh

dumux/assembly/cvfelocalassembler.hh

dumux/assembly/fcdiamondlocalassembler.hh

dumux/assembly/fvassembler.hh

dumux/common/fvproblem.hh

dumux/discretization/cvfe/elementboundarytypes.hh

dumux/freeflow/navierstokes/momentum/problem.hh

dumux/geomechanics/poroelastic/couplingmanager.hh

dumux/geomechanics/poroelastic/volumevariables.hh

dumux/multidomain/fvassembler.hh

dumux/multidomain/subdomainboxlocalassembler.hh

dumux/multidomain/subdomaincvfelocalassembler.hh

dumux/multidomain/subdomainfcdiamondlocalassembler.hh

test/freeflow/navierstokes/analyticalsolutionvectors.hh

test/freeflow/navierstokes/unstructured/CMakeLists.txt

test/freeflow/navierstokes/unstructured/main.cc