cart display now shows price and amount per item

front-api/db/schema.rb

@@ -34,7 +34,7 @@ ActiveRecord::Schema.define(version: 20150207120207) do
     t.string  "title"
     t.string  "field_name"
     t.integer "type"
-    t.integer "owner_type"
+    t.string  "owner_type"
     t.integer "owner_id"
   end
 
@@ -86,8 +86,10 @@ ActiveRecord::Schema.define(version: 20150207120207) do
   end
 
   create_table "sub_categories", force: :cascade do |t|
-    t.string  "name"
-    t.integer "category_id"
+    t.string   "name"
+    t.integer  "category_id"
+    t.datetime "created_at",  null: false
+    t.datetime "updated_at",  null: false
   end
 
   create_table "units", force: :cascade do |t|