rdf type metabox

git-svn-id: https://plugins.svn.wordpress.org/lh-relationships/trunk@822973 b8457f37-d9ea-0310-8a92-e5e31aec5664
change main file

git-svn-id: https://plugins.svn.wordpress.org/lh-relationships/trunk@822984 b8457f37-d9ea-0310-8a92-e5e31aec5664