* riece-options.el: Require 'riece-version.

* riece-options.el: Require 'riece-version.
(riece-quit-message): Set default to (riece-extended-version).
(riece-away-message): Set default to "Gone".

* riece-commands.el: Don't require 'riece-version.
(riece-command-quit): Don't check riece-quit-message.
(riece-command-close-server): Ditto.
(riece-command-toggle-away): Always supply a parameter to the AWAY
command when the user is not away.  Thanks to Yuki Fujimura
<fujimura@wakhok.ac.jp>
[cf. <Liece:00139>]