[ic] Massive quantity bug with Certain chrome versions

[Grant]

> This is a heads up for those running old Foundation shops, and possibly
> others (not sure to which other demos this extends).  Specific versions
> of the Chrome browser (51.0.2704.81 and 51.0.2704.103) on seemingly all
> platforms (confirmed Windows 10, Android and Linux) seem to have a
> tendency to want to auto-fill in the user's zip code in the quantity0
> field of the shopping cart on the single checkout page.  This has the
> result of customers inadvertently placing orders with five, and nine
> digit quantities in there, resulting in attempted charges of millions of
> dollars to their credit cards.
>
> The simple fix is to add autocomplete="off" to the quantity input in
> include/checkout/shopping_cart.  This should also be added to other
> fields throughout the demo where the browser has no business trying to
> auto-fill data.


Thanks Peter.  I've been noticing similarly strange behavior with one
of my fields and I bet autocomplete="off" fixes it.

- Grant