This moves all of internal/acme into the acme package, making the lower level API accessible by any other package. Fixes golang/go#16938. Change-Id: Ie35f4b6b6b42ebb7fb4ad03ba067df8c3063feff Reviewed-on: https://go-review.googlesource.com/28297 TryBot-Result: Gobot Gobot <gobot@golang.org> Run-TryBot: Alex Vaghin <ddos@google.com> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>