move 'split impulse' / position solver before velocity solver, so that applied impulse is available for fracture add btSliderConstraint::getAngularPos see http://code.google.com/p/bullet/issues/detail?id=489
move 'split impulse' / position solver before velocity solver, so that applied impulse is available for fracture add btSliderConstraint::getAngularPos see http://code.google.com/p/bullet/issues/detail?id=489