Update R__DEPRECATED macros.
Update R__DEPRECATED macros.

Remove 6.12, add 6.16, 6.18, 6.20

root-mirror/root,olifre/root,olifre/root,karies/root,root-mirror/root,olifre/root,karies/root,root-mirror/root,karies/root,olifre/root,olifre/root,root-mirror/root,karies/root,karies/root,olifre/root,karies/root,karies/root,karies/root,karies/root,olifre/root,root-mirror/root,olifre/root,root-mirror/root,root-mirror/root,root-mirror/root,olifre/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root,karies/root,karies/root