* autogen.sh, configure.in.in: Merge build framework changes from
	  libexo.
	* COPYING, libxfce4util.spec.in, libxfce4util/*.{c,h}: Change overall
	  license to LGPL.
	* libxfce4util/*.h: Make sure only libxfce4util/libxfce4util.h can be
	  included directly.
	* docs/tmpl/*.sgml: Update to newer gtk-doc, which adds stability level
	  to the interfaces.




(Old svn revision: 17217)