From Tyge Løvset, ref_ptr<> template constructor, operators and associated functions.
From Tyge Løvset, ref_ptr<> template constructor, operators and associated functions.

From Robert Osfield, tweaks and fixes to the above, also removed the deprecated take() method.


git-svn-id: 23b6355f2bb369032457de4eb5f713ee134f73a8@5185 16af8721-9629-0410-8352-f15c8da7e697

joevandyk/osg,joevandyk/osg,joevandyk/osg,joevandyk/osg,joevandyk/osg