What's the necessary approval chain to make a change to http://httpd.apache.org/ ?
In particular, I'd like to add banners for us.apachecon.com and ossummit.com 
I'm not clear if I should just go ahead and do it, or if I have to have the approval of a certain number of people.

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The most likely way for the world to be destroyed, most experts agree, is by accident. That's where we come in; we're computer professionals. We cause accidents.
(Nathaniel Borenstein)