Merge branch 'curls_marco' into devel

.gitignore

CMakeLists.txt

include/libgmshdg/kernels_cpu.h

include/libgmshdg/kernels_gpu.h

include/maxwell/maxwell_interface.h

share/validation/params_test_maxwell_resonator.lua

src/libgmshdg/gmsh_io.cpp

src/libgmshdg/kernels_cpu.cpp

src/libgmshdg/kernels_cuda.cu

src/maxwell/maxwell_cpu.cpp

src/maxwell/maxwell_gpu.cpp

src/maxwell/maxwell_solver.cpp

tests/profile_curl_gpu.cpp

tests/profile_differentiation_gpu.cpp

tests/test_curl.cpp

tests/test_curl_gpu.cpp

tests/test_differentiation.cpp

tests/test_differentiation_gpu.cpp