ets-berkeley-edu/calcentral — pull request #3197 by johncrossman (2014-12-11 19:55:17+00:00)
Title: OEC-484, GSI-only course entries were not in students.csv

https://jira.ets.berkeley.edu/jira/browse/OEC-484
https://jira.ets.berkeley.edu/jira/browse/OEC-485
Discovered by Jonathan in prod. The students csv generation was ignoring @gsi_ccns.