merging

.gitignore

.gitlab-ci.yml

CHANGELOG.txt

CMakeLists.txt

Common/CommandLine.cpp

Common/OpenFile.cpp

Fltk/FlGui.cpp

Fltk/contextWindow.cpp

Fltk/contextWindow.h

Fltk/drawContextFltkCairo.cpp

Fltk/drawContextFltkStringTexture.cpp

Fltk/graphicWindow.cpp

Fltk/openglWindow.cpp

Fltk/openglWindow.h

Geo/GEntity.h

Geo/GFace.cpp

Geo/GModel.cpp

Geo/GModelFactory.cpp

Geo/GModelIO_GEO.cpp

Geo/GModelIO_GEO.h