Add support to provide review_request_id as URL
Review Request #11107 — Created July 31, 2020 and submitted — Latest diff uploaded
If a developer (or CI) gets a review request to review he will get a whole URL because it was copy+pasted from browser. This change allows to easily use that URL to get the patch of given review request.
Provided an URL to rbt patch and saw that it extract the
review_request_id and the diff_id correctly and saw that
it correctly used the host.
Also provided an URL as interdiff format
saw it was refused.