path: added examples
path: added examples

R=rsc, adg
CC=golang-dev
http://codereview.appspot.com/5503089

Committer: Andrew Gerrand <395a7d33bec8475c9b83b7d440f141bcbd994aa5@golang.org>
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go