moved centroid_array_production_protein out of function mean_square_displacement_by_species in order to test for protein centroid calculation
moved centroid_array_production_protein out of function mean_square_displacement_by_species in order to test for protein centroid calculation

greatlse/diffusion_analysis_MD_simulations,greatlse/diffusion_analysis_MD_simulations,greatlse/diffusion_analysis_MD_simulations,tylerjereddy/diffusion_analysis_MD_simulations,tylerjereddy/diffusion_analysis_MD_simulations,tylerjereddy/diffusion_analysis_MD_simulations