Cookie Provider Interceptor
Allows actions to send cookies to client, action must implement CookieProvider interface. You must reference this 
interceptor in your default stack or in action’s stack, see example below.
This interceptor clears the HttpSession.
Parameters
- addCookiesToResponse- this method applies cookie created by action to response
Extending the Interceptor
There are no obvious extensions to the existing interceptor.
Examples
 <action ... >
   <interceptor-ref name="defaultStack"/>
   <interceptor-ref name="cookieProvider"/>
   ...
 </action>
