content: add survey2016.article

Change-Id: Ib13a7cbf92e989d16b6dfd814fe57450969fdc65
Reviewed-on: https://go-review.googlesource.com/34352
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
1 file changed