Use git config remote.origin.url to detect the origin

Otherwise, it panics on `review pending`.
Can we please use the tool and Gerrit to do these reviews? It's at
https://go.googlesource.com/review
On Sun, 16 Nov 2014 at 20:52, Burcu Dogan <notifications@github.com> wrote:

> In review.go:
>
> > @@ -226,6 +226,9 @@ func pending() {
> >
> >  func originURL() string {
> >  	for _, s := range runLines("git", "remote", "-v") {
>
> Flipped to git config remote.origin.url.
>
> No idea why it's https only, I'd at least like to have sso support.
>
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