- refactoring logger

...GridGenerator/geometries/TriangularMesh/TriangularMesh.cu

...erator/geometries/TriangularMesh/TriangularMeshStrategy.h

src/GridGenerator/grid/Grid.h

src/GridGenerator/grid/GridBuilder/MultipleGridBuilder.cpp

...ridGenerator/grid/GridBuilder/MultipleGridBuilderTest.cpp

src/GridGenerator/grid/GridFactory.h

src/GridGenerator/grid/GridImp.cu

src/GridGenerator/grid/GridMocks.h

...tor/grid/GridStrategy/GridCpuStrategy/GridCpuStrategy.cpp

...tor/grid/GridStrategy/GridGpuStrategy/GridGpuStrategy.cpp

src/GridGenerator/grid/partition/Partition.cpp

src/GridGenerator/io/STLReaderWriter/STLReader.cpp

src/GridGenerator/io/STLReaderWriter/STLWriter.cpp

...ridGenerator/utilities/Launchparameter/LaunchParameter.cu

src/VirtualFluidsBasics/utilities/logger/Logger.cpp

src/VirtualFluidsBasics/utilities/logger/Logger.h

...uidsBasics/utilities/logger/implementations/LoggerImp.cpp

...idsBasics/utilities/logger/implementations/LoggerTest.cpp

targets/apps/HULC/main.cpp