Merge branch 'develop' into euler

.gitlab-ci.yml

CMakeLists.txt

build

...ples/inviscid-flow-vl/CompressibleConservativeVariables.h

examples/inviscid-flow-vl/PhysicalVariablesGetter.h

examples/inviscid-flow/CompressibleConservativeVariables.h

examples/inviscid-flow/LaxFridrichs.h

examples/inviscid-flow/LaxFridrichsContinuity.h

examples/inviscid-flow/LaxFridrichsEnergy.h

examples/inviscid-flow/LaxFridrichsMomentumBase.h

examples/inviscid-flow/PhysicalVariablesGetter.h

share/CMakeLists.txt

share/Tools/CMakeLists.txt

share/cmake/CMakeFindTNL.cmake

share/cmake/CMakeLists.txt

share/pkgconfig/CMakeLists.txt

share/pkgconfig/cuda.pc.in

share/pkgconfig/tnl-cuda.pc.in

share/pkgconfig/tnl-openmp.pc.in

share/pkgconfig/tnl.pc.in