A+C: Mark Theunissen (individual CLA)

Generated by a+c.

R=gobot
CC=golang-codereviews
https://codereview.appspot.com/126500044
net/http/httputil: Pass a Logger to ReverseProxy, allowing the user to control logging.

Fixes issue 8553.

LGTM=bradfitz
R=golang-codereviews, dave, bradfitz
CC=golang-codereviews
https://codereview.appspot.com/132750043

Committer: Brad Fitzpatrick <bradfitz@golang.org>
cmd/api: reduce stutter in runtime type stubs

LGTM=khr
R=khr
CC=dvyukov, golang-codereviews
https://codereview.appspot.com/132770044