General Fixing + improve vector test

m4/ax_cuda.m4

openfpm_data

openfpm_vcluster

src/Decomposition/CartDecomposition.hpp

src/Decomposition/Decomposition.cpp

src/Decomposition/ORB.hpp

src/Decomposition/common.hpp

src/Decomposition/ie_ghost.hpp

src/Grid/grid_dist_id_unit_test.hpp

src/Vector/vector_dist.hpp

src/Vector/vector_dist_key.hpp

src/Vector/vector_dist_unit_test.hpp