Beta Release Version 1.4.10b.

Beta Release Version 1.4.10b.

* configure.ac (AC_INIT): Bump version.
(AM_INIT_AUTOMAKE): Increase requirement, and add dist-lzma.
* NEWS: Bump version.
* HACKING: Update for git release procedures.
* README: Update to mention this is a beta release on the stable
branch.
* bootstrap: Mention new automake dependency.
* Makefile.cfg: New file.
* GNUmakefile: Use it.
* Makefile.maint (gzip_rsyncable, GZIP_ENV, GIT, VC, VC-tag)
(VERSION_REGEXP, this-vc-tag, my_distdir, null_AM_MAKEFLAGS)
(TMPDIR, gnulib-version): New macros, borrowed from coreutils.
(makefile-check, news-date-check, changelog-check, m4-check)
(vc-diff-check, maintainer-distcheck, vc-dist, my-distcheck)
(announcement, alpha, beta, major): New rules, borrowed from
coreutils.
(TEXI2HTML, cvs-release, update-timestamps, cvs-news, cvs-commit)
(cvs-dist): Delete.
* Makefile.am (EXTRA_DIST): Distribute new file.
* m4/gnulib-cache.m4: Import announce-gen module.

Signed-off-by: Eric Blake <ebb9@byu.net>