use the dContactApprox1 contact mode to prevent multi-contact strickness on the wheels.
use the dContactApprox1 contact mode to prevent multi-contact
strickness on the wheels.


git-svn-id: 051f6adb867ae8800663f9d761b7f383ac0911ea@406 685f7672-210f-0410-90b4-fe3ad19314fe

vancegroup-mirrors/open-dynamics-engine-svnmirror,vancegroup-mirrors/open-dynamics-engine-svnmirror,vancegroup-mirrors/open-dynamics-engine-svnmirror,vancegroup-mirrors/open-dynamics-engine-svnmirror,vancegroup-mirrors/open-dynamics-engine-svnmirror