When renaming a file that has a note attached to it, the note is lost.

Steps to reproduce:
1. Create a new directory or file in Nautilus (e.g. newdir)
2. Right click on the new file, select Properties
3. Click on the Notes tab, enter a note in the text box and click Close
4. The file icon changes to indicate that a note is attached to it
5. Selected the file and rename it (e.g. renameddir)

Expected behaviour
The note stays attached to the file when it is renamed

Actual behaviour
When renaming the file, the file icon reverts to the normal icon and the note is lost.
When renaming the file again to its original name, the icon reverts to the note icon and the note is available again.

See the original bug in Ubuntu Launchpad: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/520259