Added Wpedantic, Wextra and Werror; updated clang-format file; fixed severals... (!7) · Merge requests · Philip Trettner / tg-samples

Merged Kersten Schuster requested to merge kschuster into develop Apr 16, 2019

Added Wpedantic, Wextra and Werror; updated clang-format file; fixed severals warnings and some bugs.