Citrix has now released the latest version of Storefront and it looks like they really stepped up their game with this iteration. Many of the customizations that were previously done using the web.config file for each store is now part of the GUI along with a new PowerShell SDK for administration. Here are some of the other new features:
Here’s a link to the blog article on Citrix’s website: https://www.citrix.com/blogs/2016/02/24/announcing-storefront-3-5/