* riece-server.el (riece-server-keyword-map): Abolished

* riece-server.el (riece-server-keyword-map): Abolished
:coding-system-alist keyword.
(riece-send-string): Take the target identity as the 2nd argument.

* riece-identity.el (riece-channel-coding-system-alist): Renamed
from riece-coding-system-alist.

* riece-globals.el (riece-coding-system-alist): Abolished.

* riece-commands.el (riece-command-topic): Pass the target
identity to as the 2nd argument of riece-send-string.
(riece-command-kick): Ditto.
(riece-command-send-message): Ditto.
(riece-command-enter-message-to-user): Ditto.
(riece-command-join-channel): Ditto.
(riece-command-part-channel): Ditto.