The datastore.Query methods once mutated the Query value, but now they return
a derivative query, so the Hash= and ParentHash= filters were not being
applied.
R=golang-dev, bradfitz, dsymonds
CC=golang-dev
https://golang.org/cl/6300058
The domain returned by appengine.DefaultVersionHostname
isn't the one we want.
This change has been uploaded to build.golang.org
R=golang-dev, rsc, r
CC=golang-dev
https://golang.org/cl/5539043