Always compute absolute URL of uploaded avatars
Review Request #8843 — Created March 25, 2017 and submitted
Previously we were caching the location of uploaded avatars. However, if
a consumer switched storage backends (e.g., local host to S3), the
absolute URL would not update. Now we always compute the absolute URL of
Tested with /r/8858/.
In other places (for example, ImageReviewUI.get_comment_thumbnail), we check to see if the URL returned by the storage backend includes a ...