Add a global index member on ChBody (internal use only)
Add a global index member on ChBody (internal use only)

Milad-Rakhsha/chrono,Milad-Rakhsha/chrono,amelmquist/chrono,Milad-Rakhsha/chrono,rserban/chrono,dariomangoni/chrono,amelmquist/chrono,projectchrono/chrono,projectchrono/chrono,rserban/chrono,dariomangoni/chrono,armanpazouki/chrono,projectchrono/chrono,projectchrono/chrono,amelmquist/chrono,armanpazouki/chrono,dariomangoni/chrono,rserban/chrono,rserban/chrono,amelmquist/chrono,armanpazouki/chrono,dariomangoni/chrono,armanpazouki/chrono,rserban/chrono,Milad-Rakhsha/chrono,Milad-Rakhsha/chrono,dariomangoni/chrono,armanpazouki/chrono,rserban/chrono,rserban/chrono,amelmquist/chrono,projectchrono/chrono,dariomangoni/chrono,armanpazouki/chrono,Milad-Rakhsha/chrono,projectchrono/chrono,amelmquist/chrono