Adding to D3 Box

Hey Jon,

This isn't so much a single tutorial as opposed to links to a bunch of useful D3 resources that explain the basic concepts of D3. I gave it a level 0, although there are some links that some might consider to be intermediate. The list is vast, so I'm not sure if it's appropriate for BB, but I used it extensively when I was learning D3 and found it really helpful. Cheers!

Jay