Update the kernels and make it possible to update parameters at runtime

bfps/cpp/field.hpp

bfps/cpp/full_code/NSVEparticlesP2P.cpp

bfps/cpp/full_code/NSVEparticlesP2P.hpp

bfps/cpp/particles/abstract_particles_system.hpp

bfps/cpp/particles/p2p_computer.hpp

bfps/cpp/particles/p2p_computer_empty.hpp

bfps/cpp/particles/p2p_distr_mpi.hpp

bfps/cpp/particles/particles_adams_bashforth.hpp

bfps/cpp/particles/particles_distr_mpi.hpp

bfps/cpp/particles/particles_field_computer.hpp

bfps/cpp/particles/particles_inner_computer.hpp

bfps/cpp/particles/particles_inner_computer_empty.hpp

bfps/cpp/particles/particles_system.hpp

bfps/cpp/particles/particles_system_builder.hpp