errbit/errbit — pull request #280 by cjc343 (2012-10-17 22:00:10+00:00)
Title: Ensure user exists when displaying comments for a problem

Fixes #252 and moves the comment deletion link onto the same line as the gravatar/post time/user info.

This is a small rewrite of #278 (which I've closed) to only check `comment.user` once instead of twice.