content: add AMA link to Go 1.6 blog post
content: add AMA link to Go 1.6 blog post

Change-Id: Ie50a8f9d19bc15143f4b3be308f778887ee76f27
Reviewed-on: https://go-review.googlesource.com/19537
Reviewed-by: Chris Broadfoot <0c2851a4f8ab4aa5606e69c0757771dd13dbe686@golang.org>

jeffreyliguori/blog