fixed misleading name of an action

front-ui/app/actions/cartActions.js

@@ -10,9 +10,9 @@ var CartActions = {
         });
     },
 
-    setItemCount: function(item, count) {
+    addNItems: function(item, count) {
         AppDispatcher.handleAction({
-            actionType: CartConstants.SET_ITEM_COUNT,
+            actionType: CartConstants.ADD_N_ITEMS,
             item: item, 
             count: count
         });

front-ui/app/components/cart/addToCart.js

@@ -75,7 +75,7 @@ var AddToCart = React.createClass({
     },
 
     _addToCartClick: function () {
-      CartActions.setItemCount(this.props.item, this.state.count);
+      CartActions.addNItems(this.props.item, this.state.count);
     },
 
     componentWillUnmount: function () {

front-ui/app/constants/cartConstants.js

@@ -8,5 +8,6 @@ module.exports = keyMirror({
   CHANGE_DELIVERY_DESTINATION_PROPERTY: null,
   CONFIRM_DELIVERY: null,
   SET_ITEM_COUNT: null,
+  ADD_N_ITEMS: null,
   REMOVE_ITEM: null
 });

front-ui/app/stores/cartStore.js

@@ -99,7 +99,7 @@ var takeItemOut = function(itemId) {
 
 */
 
-var setItemCount = function(item, count) {
+var addNItems = function(item, count) {
 
     var itemId = item.get('id');
      var state = states[itemId] || new ItemInCart({
@@ -290,8 +290,8 @@ AppDispatcher.register(function(payload) {
         case CartConstants.CONFIRM_DELIVERY:
             saveDeliveryDestination();
             break;
-        case CartConstants.SET_ITEM_COUNT:
-            setItemCount(action.item, action.count);
+        case CartConstants.ADD_N_ITEMS:
+            addNItems(action.item, action.count);
             break;
         default:
             return true;