public class WebBeansThreadBindingListener
For Tomcat we need to implement a ThreadBindingListener to
release the ServletRequest in case of Async requests.
Tomcat only sends the requestDestroyed event only when the 'final'
detached response gets rendered. But this happens on a totally
Thus in order to release e.g. locks on Conversations and prevent mem leaks
we need to end the request on unbind() as well.
Note that the ContextsService will do nothing if the Request was already
properly destroyed in standard synchronous Servlet Requests.