use exactly one of virtual, override, or final.

src/amdis/AdaptInstationary.hpp

src/amdis/AdaptStationary.hpp

src/amdis/CreatorInterface.hpp

src/amdis/FileWriter.hpp

src/amdis/GridTransfer.hpp

src/amdis/Marker.hpp

src/amdis/ProblemInstat.hpp

src/amdis/ProblemInstatBase.hpp

src/amdis/ProblemStat.hpp

src/amdis/StandardProblemIteration.hpp

src/amdis/linearalgebra/DOFVectorBase.hpp

src/amdis/linearalgebra/LinearSolver.hpp

src/amdis/linearalgebra/eigen/DirectRunner.hpp

src/amdis/linearalgebra/eigen/IterativeRunner.hpp

src/amdis/linearalgebra/eigen/SolverCreator.hpp

src/amdis/linearalgebra/istl/DirectRunner.hpp

src/amdis/linearalgebra/istl/ISTLRunner.hpp

src/amdis/linearalgebra/istl/ISTL_Preconditioner.hpp

src/amdis/linearalgebra/mtl/KrylovRunner.hpp

src/amdis/linearalgebra/mtl/Preconditioner.hpp