Handle renames appropriately.
Handle renames appropriately.

If we're renaming onto a deleted file, we need to clear out the
underlying file. Similarly, we need to mark the moved file as deleted.

Change-Id: Ia13bec00e95ea0aab857a4f8c98e9022f5835778

google/novm,viraptor/novm,nathanaelle/novm,google/novm,google/novm,google/novm,nathanaelle/novm,nathanaelle/novm,viraptor/novm,nathanaelle/novm,viraptor/novm,viraptor/novm