* riece-log.el (riece-log-flashback): Fixed custom spec.

* riece-log.el (riece-log-flashback): Fixed custom spec.
(riece-log-date-face): New face.
(riece-log-insert): Don't append date string to the end of log
lines if they arrived today.
(riece-log-flashback): Insert "Recent messages ...:"; call
riece-after-insert-functions.

* riece-handle.el (riece-handle-part-message): Call riece-naming
assert-part after inserting changes in channel buffers.
* riece-display.el (riece-part-channel): Call
riece-buffer-dispose-function on parted channel buffer.