List the /revert URL first in urls.py so that reverse() does not use it.
List the /revert URL first in urls.py so that reverse() does not use it.

Otherwise, a bunch of URLs that are supposed to go to the issue detail
page end up with the /revert URL.

R=rmistry@google.com, rmistry
BUG=

Review URL: https://codereview.chromium.org/987773007

nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra