replaced ConfigTree by Configuration
replaced DUNE_THROW_COLORFULLY by DUNE_THROW
[common.exceptions] marked DUNE_PYMOR_THROW, PymorException as deprecated
[tests.la_container] removed (tested in dune-stuff now)
[test.functionals] fixed scalar parameter functional usage
[tests.operators] use ContainerFactory from dune-stuff
[tests] use main from dune-stuff
[tests] updated exceptions
moved tests -> test