representation from the numeric (for logging purposes). Add new logging
plugin, logging/adaptive, which logs at different levels depending on
whether the message was accepted/rejected.
* lib/Qpsmtpd/Constants.pm
use hashes for storing return_codes and log_levels
export accessor methods to retrieve the text representations
* lib/Qpsmtpd.pm
Rename log_level() to trace_level() so as to not conflict with the same
name in Qpsmtpd::Constants.
Call return_code() to display the text form when logging
* plugins/logging/adaptive
Better documentation
Support named parameters and prefix
Call return_code() to display the text form when logging
* plugins/logging/warn
Include POD
* README.logging
First pass at documenting the logging plugin API
* config.sample/loglevel
New numbering scheme to map directly to syslog levels
git-svn-id: https://svn.perl.org/qpsmtpd/trunk@401 958fd67b-6ff1-0310-b445-bb7760255be9
