Theme revamp

I'm a bit bored of the current layout, and it's a bit buggy, so I'm going to debug and change the theme to look a lot like KDE 4! As you can see, I've changed the sidebar blocks to look like the new default KDE 4 plasma theme and the oxygen icons are used throughout the site. I'll do this throughout, because the titles and generally the content looks very old and cheap looking, so I'll be styling it a while. Don't worry if the site goes a bit strange. It probably means I'm working on the theme, and I don't want to temporarily close down the site just for this.

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