tree ea2c3762a9b54dd502682cb944877c7bf4de33d6
parent b8d581b1643355fd3f15408406f7fa9456b7effb
author Matt Rosencrantz <mattr@google.com> 1438995755 -0700
committer Matt Rosencrantz <mattr@google.com> 1438995755 -0700

runtime/internal/flow/conn:  Shutdown Conns.

In the process of testing this change I fixed several bugs with reading
and writing on flows.

I still need to deal with cancellation and non-trivial flow closing
scenarios.

Change-Id: Ied6f5e9f4d80fa89bc1d638c7e8d1c9ca23d8b5c