almost finished new design on product page / reproduced bug with amount not updating

front-ui/app/constants/cartConstants.js

@@ -4,11 +4,11 @@ var keyMirror = require('react/lib/keyMirror');
 module.exports = keyMirror({
   LOAD_CART_CONTENTS: null,
   ADD_ITEM: null, 
-  // because REMOVE_ITEM could be used to completely remove item
-  // and not just decrease count by 1
   TAKE_ITEM_OUT: null ,
   CART_DATA_LOADED: null,
   SAVE_CART_STATE_FOR_ITEM: null,
   CHANGE_DELIVERY_DESTINATION_PROPERTY: null,
-  CONFIRM_DELIVERY: null
+  CONFIRM_DELIVERY: null,
+  SET_ITEM_COUNT: null,
+  REMOVE_ITEM: null
 });