codereview: gofmt check for non-src/ files
codereview: gofmt check for non-src/ files

Gives other projects the benefit of the gofmt presubmit.
Results in minor changes in the doc/ directory:
        find doc -name \*.go -exec gofmt -d {} \;

R=rsc, gri
CC=golang-dev
http://codereview.appspot.com/5158042

Committer: Robert Griesemer <a6752097faebf1f02d80107d77a9be009089afe3@golang.org>

tav/go,tav/go,tav/go,tav/go,tav/go,tav/go,tav/go