* update productcatalog, frontend, readme
* revert productcatalog
* restore currency logic and ad display
* footer cleanup
* Resize header image
* screenshots
* Center align header image in readme
* Show platform flag on every page
* style fixes
* fix currency in UI, remove extra USD
* cart bug, fixing
* attempt to fix breaking build
* fix cart size in handler
* replace images
* # items in cart is total quantity
* Add link to 0.1.4 manifests in readme
