Savannah Website Update

[Bill Denney]

So, I've updated the CSS and some of the formatting so that hopefully the 
wiki and the main site can look significantly more similar using the same 
css.  Please give it a look and let me know if you see any problems.

Also, I heard a mention on the octave-forge mailing list that people 
generally don't like the Octave word image on the top left of the pages. 
I agree that it doesn't look good in relation to the rest of the site, and 
I think that it should just be changed into text.  What does everyone 
think of that?

Are there any suggestions for the style of that text?

Bill

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