Rebrand Hipstershop as OnlineBoutique (#328)

* 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

kubernetes-manifests/frontend.yaml

@@ -65,6 +65,8 @@ spec:
             value: "checkoutservice:5050"
           - name: AD_SERVICE_ADDR
             value: "adservice:9555"
+          - name: ENV_PLATFORM
+            value: "gcp"
           # - name: DISABLE_TRACING
           #   value: "1"
           # - name: DISABLE_PROFILER