Merge branch 'features/shut-up-compiler-warnings' into 'master'
Get rid of unused/shadowed variable compiler warnings.
See merge request !442 (merged)
(cherry picked from commit b0a1b9c7)
b6080f4f Get rid of unused/shadowed variable compiler warnings. a43015f8 USe std::is_sorted to fix compile issue with DUNE_ISTL_WITH_CHECKING.