Update submodules and build system

* bootstrap (gnulib_extra_files): Remove "missing".
* configure.ac: Require libtool 2.4 and gettext 0.18
* dicod/cmdline.opt: Use the program_version option.
* dicod/dicod.h (program_version): New extern.
* gint: Upgrade.
* grecs: Upgrade.
* lib/levenshtein.c (dico_levenshtein_distance): Avoid
assigning dist at each iteration.
* dico/Makefile.am: Use AM_CPPFLAGS instead of INCLUDES.
* dicod/Makefile.am: Likewise.
* dicod/tests/Makefile.am: Likewise.
* lib/Makefile.am: Likewise.
* lib/tests/Makefile.am: Likewise.
* makedict/Makefile.am: Likewise.
* modules/dict.org/Makefile.am: Likewise.
* modules/gcide/Makefile.am: Likewise.
* modules/gcide/tests/Makefile.am: Likewise.
* modules/guile/Makefile.am: Likewise.
* modules/ldap/Makefile.am: Likewise.
* modules/nprefix/Makefile.am: Likewise.
* modules/outline/Makefile.am: Likewise.
* modules/pam/Makefile.am: Likewise.
* modules/pcre/Makefile.am: Likewise.
* modules/python/Makefile.am: Likewise.
* modules/stratall/Makefile.am: Likewise.
* modules/substr/Makefile.am: Likewise.
* modules/word/Makefile.am: Likewise.
* modules/wordnet/Makefile.am: Likewise.

1 files changed, 0 insertions, 1 deletions

diff --git a/bootstrap b/bootstrap
index c142fee..da1550d 100755
--- a/bootstrap
+++ b/bootstrap
@@ -104,7 +104,6 @@ tests_base=tests
 # Extra files from gnulib, which override files from other sources.
 gnulib_extra_files="
 	$build_aux/install-sh
-	$build_aux/missing
 	$build_aux/mdate-sh
 	$build_aux/texinfo.tex
 	$build_aux/depcomp