[PATCH] fix some documentation menus

[Eli Zaretskii]

> Date: Fri, 23 Mar 2007 16:11:47 -0700
> From: Bob Wilson <bwilson@tensilica.com>
> 
> This patch fixes some out-of-order menu entries and removes some menus that 
> don't match the hierarchical structure of the document.
> 
> It also removes some unnecessary next/prev/up arguments from a @node entry, 
> since they can cause problems for conditional text and since none of the other 
> nodes (except Top) specify those arguments.
> 
> OK?

Yes, thanks.  Please commit this.