edx/cs_comments_service — pull request #111 by jimabramson (2014-07-28 17:29:44+00:00)
Title: SQUASH ME: revert to on-demand computation of thread endorsement

@gwprice @e0d

per discussions today. reinstates previous thread endorsement computation, and simplifies migrations.

once merged, this commit should be squashed into greg's last commit on the thread-type branch.