title: Add new field in bundle item option in admin section
body: <p>I  am new bie in magento.I am creating  a bundle product from admin section .when I add the bundle item there is only the title field for information but I need to add one more field for the description like I created a bundle item for computers but I need to show description about it .</p>
  
  <p>Please help .my requirement is to add new field for description along with the title in bundle item option.
  any help  will be appreciated .</p>