merged

examples/particles_above_salt/particles_above_salt_bc.py

examples/particles_above_salt/particles_above_salt_bc_3d.py

hysop/__init__.py.in

hysop/backend/host/host_operator.py

hysop/backend/host/python/operator/poisson.py

hysop/backend/host/python/operator/poisson_curl.py

hysop/operator/base/derivative.py

hysop/operator/base/poisson_curl.py

hysop/operator/base/solenoidal_projection.py

hysop/operator/tests/test_poisson_curl.py

hysop/operator/tests/test_solenoidal_projection.py

hysop/tools/numba_utils.py