bootstrap: update from gnulib.
mass change: update copyright years.
lib/Makefile.am: fix typo.
Use gnulib bootstrap script.
Explicitly import stdbool gnulib module (gnulib copyrights were reverted in the process).
Update md5/.
announce-gen.
gnupload.
Imported update-copyright; set build-aux in cfg.mk.
Import gnulib strcasestr.
Gnulib updates.
Explicitly import quotearg gnulib module.
Merge getpass with quote, plus my NEWS entry.
Use gnulib's getpass-gnu module for password prompting.
Import Gnulib's alloca module.
Import "quote" module from gnulib; update the rest.
Moved md5 stuff out into separate md5/ dir.
gnulib-tool --update; includes fix for maint.mk/gzip discovered by Steven M. Schweda.
Imported gnulib's crypto/md5.
Initial gnulib-tool --import.