Cleanup.
Cleanup.

Modified so that the default is to record simulation data.  The mechanism is animated only if an argument is passed to the program.

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