Release of libxml2-2.9.0

* libxml.spec.in: update
* doc/*: updated and regenerated
* libxml2.syms testapi.c: regenerated
diff --git a/libxml.spec.in b/libxml.spec.in
index d0cdb2a..03eb24e 100644
--- a/libxml.spec.in
+++ b/libxml.spec.in
@@ -1,10 +1,10 @@
 Summary: Library providing XML and HTML support
 Name: libxml2
 Version: @VERSION@
-Release: 0rc1
+Release: 1
 License: MIT
 Group: Development/Libraries
-Source: ftp://xmlsoft.org/libxml2/libxml2-%{version}-rc1.tar.gz
+Source: ftp://xmlsoft.org/libxml2/libxml2-%{version}.tar.gz
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
 BuildRequires: python python-devel zlib-devel pkgconfig xz-devel
 URL: http://xmlsoft.org/