gettextize

* Makefile.in: updated
* menu.c: gettextize
* rc.c: gettextize
* intl/.cvsignore: added
* po/.cvsignore: added
* po/Makevars: added
* po/Makevars.template: removed
* po/POTFILES.in: updated
* po/w3m.pot: created
* po/ja.po: created
From: Fumitoshi UKAI  <ukai@debian.or.jp>

Makefile.in

@@ -6,6 +6,7 @@
 SHELL=@SHELL@
 PACKAGE = @PACKAGE@
 VERSION = @VERSION@
+DOMAIN = $(PACKAGE)
 prefix = @prefix@
 exec_prefix = @exec_prefix@
 bindir = @bindir@
@@ -181,9 +182,9 @@ w3mimg:
 	(cd w3mimg && $(MAKE) CC="$(CC)" CFLAGS="$(CFLAGS)")
 
 intl po:
-	(cd $@ && $(MAKE) top_builddir=.. subdir=$@)
+	(cd $@ && $(MAKE))
 
-install: install-core install-scripts
+install: install-core install-scripts install-po
 
 install-core: $(TARGETS)
 	-$(MKDIR) $(DESTDIR)$(bindir)
@@ -216,6 +217,12 @@ install-helpfile:
 		$(INSTALL_DATA) $$file $(DESTDIR)$(HELP_DIR)/$$file; \
 	done
 
+install-po:
+	for subdir in intl po; \
+	do \
+	 (cd $$subdir && $(MAKE) install); \
+	done
+
 all-scripts:
 	for dir in $(SCRIPTSUBDIRS);	\
 	do	\