git-codereview: Github URL can be ssh based

The remote URL can be something like git@github.com:zimmski/review.git
and then it is not detected that a github repository is used.

Change-Id: I0e43b7eed2f8d76d2d80ecf415ceee2df25b9254
Reviewed-on: https://go-review.googlesource.com/2975
Reviewed-by: Andrew Gerrand <adg@golang.org>
1 file changed
tree: 4ef70c927c40011f147e6d999b12d6e18dbdf14b
  1. .gitattributes
  2. README
  3. git-codereview/