I just want to experience the whole Gerrit Flow, so I make this simple commit
as my first commit to golang src repo.

Change-Id: Ie744573beac7a8b9361f898fac269c9d88010493
Reviewed-on: https://go-review.googlesource.com/48630Reviewed-by: Ma Peiqi <mapeiqi2017@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>