rather than depending upon callbacks for animating and compute matrices. Merged the
put/inverseput code between Sasa's and Ferndinand's DOF code.
From Bora Utka, Added support to osg::Sequence/OpenFlight AnimNode to the flt plugin.
on osgUtil by implementing a NodeVisitor::VisitorType enum, and associated
g/setVisitorType. This allows callbacks to querry the visitor/traversal
type without doing down cast's to specific visitor subclasses such as
osgUtil::AppVisitor/CullVisitor.
