Bootstrap Redesign!

Rewrote all our existing pages to use bootstrap.  It should look a little better now, and in the future if we want to change the color scheme it will be much easier, since there are lots of custom CSS packages people have written for bootstrap-based sites.  I used the "dashboard" theme, since that most closely matches what we're trying to accomplish.  

I'm still unhappy with how the footer looks and some of the spacing between elements (e.g. "Pick your toppings spans the whole content area, pushing down the graphs"), but this is a good first start.  Hopefully this will make it easier for us to do some content creation later.