Merge branch 'master' of github.com:ufz/ogs

BaseLib/Histogram.h

BaseLib/zlib/CMakeLists.txt

CMakeLists.txt

FileIO/CMakeLists.txt

FileIO/RapidXmlIO/RapidStnInterface.cpp

FileIO/RapidXmlIO/RapidStnInterface.h

FileIO/RapidXmlIO/RapidVtuInterface.cpp

FileIO/RapidXmlIO/RapidVtuInterface.h

FileIO/readMeshFromFile.cpp

Gui/DataView/DataView.cpp

Gui/VtkVis/VtkVisPipeline.cpp

Gui/mainwindow.cpp

MeshLib/MeshQuality/MeshQualityChecker.cpp

MeshLib/MeshQuality/MeshQualityChecker.h

README.md

SimpleTests/MeshTests/CMakeLists.txt

SimpleTests/MeshTests/MeshRead.cpp

scripts/docs/Doxyfile.in

scripts/docs/OpenGeoSys-Logo.png

scripts/docs/doxygen.css