Add visualization of revolute-spherical joints (as line segments)
Add visualization of revolute-spherical joints (as line segments)

Bryan-Peterson/chrono,tjolsen/chrono,andrewseidl/chrono,jcmadsen/chrono,dariomangoni/chrono,andrewseidl/chrono,amelmquist/chrono,amelmquist/chrono,rserban/chrono,dariomangoni/chrono,Bryan-Peterson/chrono,dariomangoni/chrono,Milad-Rakhsha/chrono,tjolsen/chrono,jcmadsen/chrono,armanpazouki/chrono,amelmquist/chrono,jcmadsen/chrono,projectchrono/chrono,Milad-Rakhsha/chrono,Milad-Rakhsha/chrono,armanpazouki/chrono,amelmquist/chrono,rserban/chrono,amelmquist/chrono,dariomangoni/chrono,armanpazouki/chrono,Milad-Rakhsha/chrono,Bryan-Peterson/chrono,rserban/chrono,rserban/chrono,tjolsen/chrono,jcmadsen/chrono,andrewseidl/chrono,jcmadsen/chrono,rserban/chrono,andrewseidl/chrono,projectchrono/chrono,rserban/chrono,armanpazouki/chrono,armanpazouki/chrono,tjolsen/chrono,Bryan-Peterson/chrono,projectchrono/chrono,jcmadsen/chrono,tjolsen/chrono,amelmquist/chrono,Milad-Rakhsha/chrono,Bryan-Peterson/chrono,dariomangoni/chrono,andrewseidl/chrono,dariomangoni/chrono,projectchrono/chrono,jcmadsen/chrono,rserban/chrono,projectchrono/chrono,projectchrono/chrono,armanpazouki/chrono,Milad-Rakhsha/chrono