* riece-display.el (riece-inhibit-update-buffers): New variable.

* riece-display.el (riece-inhibit-update-buffers): New variable.
* riece-filter.el (riece-sentinel): Bind
riece-inhibit-update-buffers while removing channels from
riece-current-channels.
* riece-unread.el (riece-unread-display-message-function): Don't
update channel list buffer when riece-inhibit-update-buffers is
non-nil.
(riece-unread-channel-switch-hook): Ditto.
(riece-unread-insinuate): Add
riece-unread-update-channel-list-buffer to
riece-update-buffer-functions.

* riece-commands.el (riece-command-switch-to-channel): Call
riece-redisplay-buffers instead of riece-command-configure-windows.

* riece-identity.el (riece-completing-read-identity): Remove nil
from riece-current-channels before converting it to an alist.