rprintf() calls (the first of which just outputs an empty line).

- rwrite() no longer supports newlines at the start of the string.
- maybe_log_item() avoids outputting a non-significant update to
  the log file if the log-file-format doesn't include %i.

- We no longer output " is uptodate" messages to the log file.

to localhost and 127.0.0.1 (which will hopefully fix the failing
of the daemon tests on FreeBSD).

- Updated and improved the --out-format section.
- Moved and improved the description of the non-daemon --log-file and
  --log-file-format options.

ignore the useless value.

to override the "log format" setting.

  setting when starting a daemon.
- Make a daemon refuse all --log-file* options.
- Don't use refuse logic on daemon-mode options given to a daemon
  module -- reject them via their own message.

--out-format.

- Call log_item() with its new arg (and call it more often).

- Call log_item() with its new arg.

  stdout_format variables.
- In rwrite(), make FNAME output only go to the client.
- Added an arg to log_item() that indicates what kind of output is
  desired: FNAME (stdout only),  FLOG (log file only), or FINFO (both).

- Renamed log_format_has_i -> stdout_format_has_i.
- Renamed log_format_has_o_or_i -> stdout_format_has_o_or_i.
- Changed the --log-format to --out-format (though we still accept
  the old option, and still send it as well).
- Added the --log-file-format option (and got rid of the code that
  made --out-format sometimes affect the log-file's format).

messages these days, not FINFO.

- Don't try to keep a partial file if cleanup_new_fname is not set.

to interfere with any logging of messages that is going on.

  into a client-side log-file.
- Added a couple FLOG rprintf() calls.

  option instead of the old daemon_log_* variables.
- Renamed the "logfile" variable "logfile_fp".
- Enhanced the logic in rwrite() to handle client-side FLOG output.

also used by the new --log-file option.