Foundation

Related to #21. I'm using the minified files as we talked about... I guess I could still drop some of the plugins once I'm sure I won't be using them. Not using Sass yet, it'd probably be an overkill. Maybe later.
I had to put the static files in the main app's ``static`` folder, because there's a bug in Flask that messes up the blueprint folder routing for blueprints mounted at "/". It's ugly, but I can't do anything about it.
Now I'll either try to put together the Advanced form, or I'll use the api and build some mock-forms from divs or something. It is too early to start on the D3? I guess I should do the design properly before we get to that.