Revert a portion of r903930. On second thought (and having actually played with the site some), having menu items link to mere descriptions of other menu items is obnoxious and violates the principle of least surprise. If I click "About Subversion", I wanna read about Subversion, not about where I might learn about Subversion elsewhere. If I click "Getting Subversion", I expect to be one step closer to actually having Subversion in my hands. And so on.
I have faith that our site visitors aren't complete and utter idiots.
* site/publish/site-nav.html Restore the non-linky-ness of the top-level menu items.