* Makefile.in (install-info): Handle missing info/dir.
(info_dir_deps): New variable.
(${srcdir}/info/dir): Depend on .texi files rather than .info files.
(check-info): Update topics.
* build-aux/make-info-dir: Use .texi files rather than .info files.
Update topics.
* doc/lispintro/emacs-lisp-intro.texi:
* doc/lispref/elisp.texi:
Tweak dircategory (all the others use "Emacs" + lower-case).
* build-aux/dir_top: Move here from admin/.
* build-aux/make-info-dir: New script.
* Makefile.in (bootstrap-clean): Delete info/.
(info-dir, ${srcdir}/info/dir): New rules.
(info): Also make info-dir.
(check-info): Rename from check-info-dir.
Instead of info/dir entries, check @dircategory in info/*.info.
* make-dist: Use `info' rule rather than `info-real'.
No more info/COPYING (not even the right license for info/ files).
* info/: Remove from repository.
* admin/update_autogen (info_dir):
Use dir_top from build-aux/ rather than admin/.
* .bzrignore: Ignore info/ altogether.
* doc/emacs/Makefile.in: Comment.
