button-Group hinzugefügt. Basis implementation.

Signed-off-by: Alexander Moeller <alexander.moeller@ein-reisender.de>
Merge branch 'master' of https://github.com/CodeGamer/Labyrinth
unfertige Änderungen

Signed-off-by: Alexander Moeller <alexander.moeller@ein-reisender.de>
Merge branch 'master' of https://github.com/CodeGamer/Labyrinth

Conflicts:
	KnackDenCode/CodeKnacker.cpp