When posting releases to tigris, automagically assign the release the correct status.
When posting releases to tigris, automagically assign the release the
correct status.

* tools/dist/post-to-tigris.py
  (add_items): If the release does not have any trailing modifiers, assume
    it is a stable release, and mark it as such when uploading.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion