enforced more uniform code style

src/amdis/AdaptBase.cpp

src/amdis/AdaptBase.hpp

src/amdis/AdaptInstationary.cpp

src/amdis/AdaptInstationary.hpp

src/amdis/AdaptStationary.cpp

src/amdis/AdaptStationary.hpp

src/amdis/CMakeLists.txt

src/amdis/ProblemInstat.hpp

src/amdis/ProblemInstat.inc.hpp

src/amdis/ProblemInstatBase.cpp

src/amdis/ProblemInstatBase.hpp

src/amdis/ProblemIterationInterface.hpp

src/amdis/ProblemStatBase.hpp

src/amdis/ProblemTimeInterface.hpp

src/amdis/StandardProblemIteration.cpp

src/amdis/StandardProblemIteration.hpp