Add debug logging when not using Irrlicht.
Add debug logging when not using Irrlicht.

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