Merge branch 'feature/python-timings' into 'master'

.gitlab-ci.yml

dune/fem-dg/examples/advdiff/models.hh

dune/fem-dg/examples/euler/algorithmcreator.hh

dune/fem-dg/examples/euler/generatedmodel_sod_2d.hh

dune/fem-dg/examples/euler/models.hh

dune/fem-dg/examples/euler/test/CMakeLists.txt

dune/fem-dg/examples/euler/test/parameters/euler

dune/fem-dg/examples/euler/test/parameters/euler_effcomp

dune/fem-dg/examples/euler/test/parameters/euler_effcomp_ufl

dune/fem-dg/examples/euler/test/parameters/euler_wrapper

dune/fem-dg/examples/incompnavierstokes/models.hh

dune/fem-dg/examples/navierstokes/models.hh

dune/fem-dg/examples/navierstokes/navierstokesflux.hh

dune/fem-dg/models/defaultmodel.hh

dune/fem-dg/models/modelwrapper.hh

dune/fem-dg/operator/fluxes/advection/llfadvflux.hh

dune/fem-dg/operator/fluxes/analyticaleulerflux.hh

dune/fem-dg/operator/fluxes/euler/llfadv.hh

dune/fem-dg/operator/limiter/limitermodel.hh

dune/fem-dg/operator/limiter/limitpass.hh