- make fetchmail --silent --quit really silent, Debian Bug #229014 by

- make fetchmail --silent --quit really silent, Debian Bug #229014 by
  Dr. Andreas Krüger.
- cleanup --quit handling again (so that --silent --quit just kills the
  existing daemon, rather than continue running), and document it more
  clearly.
- Print an error message if multiple "defaults" records are found in the
  configuration file.

svn path=/trunk/; revision=4372