* LSDB-ELS (lsdb-modules-to-compile): Add xbm-thumb.

* LSDB-ELS (lsdb-modules-to-compile): Add xbm-thumb.
* xbm-thumb.el: New file.

* lsdb.el: Require static and path-util.
(lsdb-x-face): New custom group.
(lsdb-display-small-x-face): New user option.
(lsdb-x-face-scale-factor): Abolish.
(lsdb-uncompface-program): New user option.
(lsdb-insert-x-face-function): Set default to lsdb-insert-x-face.
(lsdb-display-records-sort-predicate): New user option.
(lsdb-display-records): Sort records with lsdb-display-records-sort-predicate.
(lsdb-pointer-xpm): New constant.
(lsdb-xemacs-modeline-left-extent): New variable.
(lsdb-xemacs-modeline-right-extent): New variable.
(lsdb-modeline-buffer-identification): New function.
(lsdb-modeline-string): New variable.
(lsdb-mode): Set up mode-line-buffer-identification.
(lsdb-modeline-update): New function.
(lsdb-narrow-to-record): Applied the patch from
Hideyuki SHIRAI <shirai@rdmg.mgcs.mei.co.jp>.
(lsdb-mode-save): Don't ask whether to save the database when
the argument 'ask is passed.
(lsdb-insert-x-face-with-x-face-e21): Abolish.
(lsdb-insert-x-face-with-xemacs-glyph): Abolish.
(lsdb-call-process-on-string): New function.
(lsdb-mirror-bits): New function.
(lsdb-mirror-bytes): New constant.
(lsdb-convert-x-face-to-xbm): New function.
(lsdb-insert-x-face): New function.