[x/blog] blog: redirect from HTTP to HTTPS on App Engine
[x/blog] blog: redirect from HTTP to HTTPS on App Engine

Change-Id: I2ef91551ba253e4972a8656a1589239beea78c29
Reviewed-on: https://go-review.googlesource.com/22364
Reviewed-by: Francesc Campoy Flores <3149fa091f5edfa916be664d7a800f2d780f07b1@golang.org>
X-Blog-Commit: 83a9ff974630c039c67952b9bbd4d26f83389ee4

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