switching to setting deadline on upstreams for all writes using a conection wrapper
Merge pull request #42 from smw1218/master

Issue #41 Upstream deadline fix
fixing hot_restart for 1.0.3 change with ForkExec FDs
Merge pull request #47 from ngmoco/hot_restart_fix

fixing hot_restart for 1.0.3 change with ForkExec FDs
calling tcpC.File() causes the socket to become blocking which causes go to create threads for every read or write, it also appears to break hot restart
fixing keep-alive for 1.0 clients, i'm looking at you apache bench
Merge pull request #49 from smw1218/master

Set the socket back to nonblock
Merge remote-tracking branch 'upstream'

Conflicts:
	filter/upstream.go