fixed paging on subcategory browsing page

front-ui/app/actions/bySubCategoryActions.js

@@ -24,6 +24,12 @@ var BySubCategoryActions = {
             actionType: BySubCategoryConstants.REMOVE_APPLIED_FILTER,
             name: name
         });
+    }, 
+    changePage: function(page) {
+        AppDispatcher.handleAction({
+            actionType: BySubCategoryConstants.CHANGE_PAGE,
+            page: page
+        });
     },
 };