preparing 2.4.7 switched to the latest xmllint manual page from John

* configure.in: preparing 2.4.7
* Makefile.am doc/Makefile.am: switched to the latest xmllint
  manual page from John
* doc/*: updated the doc and rebuilt the generated pages
Daniel
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 650d0e0..fb3809e 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -17,7 +17,7 @@
     interface.html intro.html library.html namespaces.html news.html \
     tree.html xmldtd.html XML.html XSLT.html
 
-man_MANS = xmlcatalog.1
+man_MANS = xmllint.1 xmlcatalog.1
 
 all: $(PAGES)