edx/cs_comments_service — pull request #91 by jimabramson (2014-03-17 15:16:41+00:00)
Title: use 404 when trying to GET a nonexistent user

JIRA: FOR-522

This change enables the lms client to attempt graceful recovery when looking for a user that hasn't been synced yet, and is more correct HTTP behavior in the general sense.

@gwprice