Further fixes for the author stuff.
Further fixes for the author stuff.

* hook-scripts/mailer/mailer.py:
  (main): if an author was not provided for the commit (usually not), then
    use the author found in the repository.

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