Synch up with `liece-1_4_4-4'.

Synch up with `liece-1_4_4-4'.

* liece-commands.el (liece-command-toggle-away): Rename from
`liece-command-away'.
(liece-command-toggle-freeze): Rename from `liece-command-freeze'.
(liece-command-toggle-own-freeze): Rename from
`liece-command-own-freeze'.
(liece-command-toggle-beep): Rename from `liece-command-beep'.

* liece.el (liece-dialogue-beep): Abolish.
(liece-dialogue-freeze): Abolish.
(liece-dialogue-own-freeze): Abolish.
(liece-initialize-buffers): Don't parse error message.
(liece): Assume `liece-away-message' is nil.
(liece-command-map): Don't bind `liece-command-freeze' and
`liece-command-own-freeze'.
(liece-dialogue-mode-map): Don't bind `liece-command-timestamp'
and `liece-command-find-timestamp'; bind
`liece-command-toggle-private' to "C-t p"; bind
`liece-command-toggle-away' to "C-t a"; bind
`liece-command-toggle-freeze' to "C-t f"; bind
`liece-command-toggle-own-freeze' to "C-t o".

* liece-minibuf.el (liece-minibuffer-parse-modes): Don't complete
mode flags when completing an argument.