Shopify/Timber — pull request #142 by cshold (2014-07-08 13:31:26+00:00)
Title: Scroll top when adding product. Classes for styling

Addresses #130.

- User is scrolled to the top of the page when adding a new product, even if the cart drawer is already visible.
- Add `is-adding` and `is-added` classes to `addToCartSelector`. Designers/devs can style as they wish.