Adaption to release version

.gitignore

README.md

deal_main/CMakeLists.txt

deal_main/README.md

deal_main/source/Timer.hpp

deal_main/source/deal_main.cpp

deal_main/source/evaluation.hpp

deal_main/source/poisson_h.hpp

deal_main/source/problem.hpp

mfem_main/CMakeLists.txt

mfem_main/README.md

mfem_main/data/unit_cube.mesh

mfem_main/source/Timer.hpp

mfem_main/source/evaluation.cpp

mfem_main/source/evaluation.hpp

mfem_main/source/mfem_main.cpp

mfem_main/source/multigrid.hpp

mfem_main/source/poisson.cpp

mfem_main/source/poisson.hpp

mfem_main/source/problem.cpp