Added Eno Weno unit test and Gaussian function and its derivatives.

.gitignore

.gitlab-ci.yml

CMakeLists.txt

build.sh

configure

...rics/Sussman_redistancing/example_sussman_circle/main.cpp

...s/Sussman_redistancing/example_sussman_images_2D/main.cpp

...s/Sussman_redistancing/example_sussman_images_3D/main.cpp

...rics/Sussman_redistancing/example_sussman_sphere/main.cpp

install

install_CMAKE_on_CI.sh

openfpm_numerics

openfpm_vcluster

script/install_blitz_algoim.sh

src/Grid/tests/grid_dist_id_unit_test.cpp