assume KQueue.discard() is called by Server._close and don't call it twice, also updated to use Poller.getTarget
assume KQueue.discard() is called by Server._close and don't call it twice, also updated to use Poller.getTarget

--HG--
branch : py2

nizox/circuits,eriol/circuits,eriol/circuits,treemo/circuits,treemo/circuits,eriol/circuits,treemo/circuits