Nosy list improvements. . added option to automatically add the authors and recipients of messages to the nosy lists with the options ADD_AUTHOR_TO_NOSY (default 'new') and ADD_RECIPIENTS_TO_NOSY (default 'new'). These settings emulate the current behaviour. Setting them to 'yes' will add the author/recipients to the nosy on messages that create issues and followup messages. . added missing documentation for a few of the config option values