Updated diagram
Moved debug function to new debugutil file.
Delete useless include
Simplified rotations to draw BVH file
Delete include SmoothingVisitors, was causing compile errors.
Changed attributes tipes in NODE from float[3] to osg::Vec3f
Moved NODE from struct to class. froset and freuler are now
osg::Vec3Array instead of float**
Final attributes in NODE are now C++ classes.