Make sure to remove the timeout task when shutting down the session manager
UNDERTOW-84 Add ability to get session by id
UNDERTOW-85 Servlet initalized twice
Add initial ability to dispatch mock requests to the container
Clear more references on undeploy
Add ability to get the HTTP session by id
Add missing close call
Make Ales' horrible hack for Cape Dwarf actually work
Add mock support to RequestDispatcherImpl.
UNDERTOW-86 response.sendRedirect does not handle Absolute URLs