* riece-server.el (riece-server-keyword-map): `:coding-system' ->

* riece-server.el (riece-server-keyword-map): `:coding-system' ->
`:coding'.
(riece-open-server): Follow the change.

* riece-ctcp.el (riece-command-ctcp-action): New command.
(riece-ctcp-insinuate): Bind it in riece-dialogue-mode-map.
(riece-handle-ctcp-action-request): New handler.

* riece.el (riece-command-mode): Enclose status indicators with
`{}'; show riece-user-indicator.
(riece-channel-mode): Likewise.
(riece-dialogue-mode): Enclose status indicators with `{}'.
* riece-globals.el (riece-user-indicator): New indicator.
(riece-freeze-indicator): Default to "-".
* riece-display.el (riece-update-channel-indicator): Don't update
modeline.
(riece-update-status-indicators): Set riece-user-indicator.
* riece-300.el (riece-handle-324-message): Update channel indicator.