tree bfe96cf3847cad08b4247e7c3ddaaf84468345a7
parent bca76b5bb57b65bcb222580a81bd49f7a087b70e
author Keir Mierle <mierle@gmail.com> 1426652889 -0700
committer Keir Mierle <mierle@gmail.com> 1426653097 -0700

Make README indicate that GitHub is only a mirror

Change-Id: I1924021e676f6b007f06548a95410c802f506176