Merge branch 'master' of https://github.com/wwu-numerik/dune-stuff

Conflicts:
	dune/stuff/test/common_configtree.cc
Merge branch 'master' of https://github.com/wwu-numerik/dune-stuff
Merge branch 'master' of https://github.com/wwu-numerik/dune-stuff
Merge branch 'master' of https://github.com/wwu-numerik/dune-stuff
Merge branch 'master' of https://github.com/tobiasleibner/DUNE-Stuff
Merge branch 'master' of https://github.com/tobiasleibner/DUNE-Stuff
[la.container.common] removed obsole config.h include
[la.container] added ctors for std::vector and std::initializer list
[common.convergence-study] minor update
[test.common] renamed check_for_success() -> check_eoc_study_for_success()
[la.container.interfaces] added standard_deviation()
[common.localization-study] added first draft
[lib] added common.localization-study
[test] extends fixed_map tests
Merge branch 'master' of https://github.com/wwu-numerik/dune-stuff
[test.common] prevent check_eoc_study_for_success() from segfaulting
[cmake] yet another macro switch default warning fix
[cmake] removes duplicated macro default fix
[cmake] adds a few more names to clang-format discovery
Merge branch 'master' of https://github.com/wwu-numerik/dune-stuff