gsph → common Relation

File in shammodels/gsph	Includes file in shammodelscommon
include / shammodels / gsph / Model.hpp	include / shammodels / common / setup / generators.hpp
include / shammodels / gsph / SolverConfig.hpp	include / shammodels / common / EOSConfig.hpp
include / shammodels / gsph / SolverConfig.hpp	include / shammodels / common / ExtForceConfig.hpp
src / Model.cpp	include / shammodels / common / setup / generators.hpp
src / pyGSPHModel.cpp	include / shammodels / common / shamrock_json_to_py_json.hpp