Make better use of space on larger screens

I don't think we need the carousel for the code examples on larger screens. It might be nice to space things out a bit. Here is something I came up with in Chrome, but I'm not a designer, so it could use some work still:

<img width="2520" alt="screen shot 2017-01-14 at 11 46 42 am" src="https://cloud.githubusercontent.com/assets/630306/21957627/1ea34b68-da4f-11e6-8c30-1f8bc3561ba0.png">
