Fix a monstrous bug in accounting for send_bytes. Don't pay for sending things when we decide we wanted to send it --- only pay when we actually complete the send! (e.g. in copy_block)
Fix a monstrous bug in accounting for send_bytes.
Don't pay for sending things when we decide we wanted
to send it --- only pay when we actually complete the
send! (e.g. in copy_block)

This makes us not lose nearly as bad at the big event
in January.

sit/dht,weidezhang/dht,weidezhang/dht,sit/dht,sit/dht,sit/dht,weidezhang/dht,sit/dht,weidezhang/dht,weidezhang/dht