Merge branch 'feature/deduce-boundarytypes' into 'master'

dumux/adaptive/initializationindicator.hh

dumux/common/fvproblem.hh

dumux/common/properties.hh

dumux/common/typetraits/problem.hh

dumux/discretization/box.hh

dumux/discretization/ccmpfa.hh

dumux/discretization/cctpfa.hh

dumux/discretization/fvproperties.hh

dumux/discretization/staggered.hh

dumux/discretization/staggered/freeflow/boundarytypes.hh

dumux/discretization/staggered/freeflow/properties.hh

dumux/freeflow/navierstokes/CMakeLists.txt

dumux/freeflow/navierstokes/boundarytypes.hh

dumux/freeflow/navierstokes/staggered/fluxvariables.hh

.../freeflow/navierstokes/staggered/staggeredupwindhelper.hh

dumux/freeflow/rans/oneeq/staggered/localresidual.hh

...x/freeflow/rans/twoeq/kepsilon/staggered/localresidual.hh

dumux/freeflow/rans/twoeq/komega/staggered/localresidual.hh

...eflow/rans/twoeq/lowrekepsilon/staggered/localresidual.hh

...diumflow/1p/sequential/diffusion/cellcentered/pressure.hh