misc/pprof: pprof on windows does not provide demangled names

Fixes issue 6034.

R=golang-dev, bradfitz, alex.brainman, dan.kortschak
CC=golang-dev
https://codereview.appspot.com/12311044

Committer: Alex Brainman <alex.brainman@gmail.com>
cmd/go: install godoc into correct directory

Fixes issue 6043.

R=golang-dev, r
CC=golang-dev
https://codereview.appspot.com/12693043