greenio: fix GreenSocket.dup to preserve the timeout (patch by Marcin Bachry)
greenio: fix GreenSocket.dup to preserve the timeout (patch by Marcin Bachry)

lindenlab/eventlet,collinstocks/eventlet,lindenlab/eventlet,lindenlab/eventlet,tempbottle/eventlet,tempbottle/eventlet,collinstocks/eventlet