OAK-770 : NodeImpl should implement JackrabbitNode
- Wrap Node.rename into a perform closure
- Only reestablish initial order if parent is actually orderable
- Correctly build destination path for move
- Additional test case

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1558859 13f79535-47bb-0310-9956-ffa450edef68