Import revision 48994 from the v5-34-00 patch branch: Better support for conversion of unversioned classes
Import revision 48994 from the v5-34-00 patch branch:
Better support for conversion of unversioned classes


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@49035 27541ba8-7e3a-0410-8455-c3a389f83636

bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT