CLC-4091 - Removed unnecessary comments
CLC-4091 - Added cmdline script to run Canvas cached enrollments CSV export script via Rake task
Merge pull request #2816 from redconfetti/CLC-4091-cmdline-script

CLC-4091 - Added cmdline script to run Canvas cached enrollments CSV export script
CLC-3869 - Webcasts: webcast card should default to "audio" if no videos exist

https://jira.ets.berkeley.edu/jira/browse/CLC-3869
Merge pull request #2817 from christianv/CLC-3869

CLC-3869 - Webcasts: webcast card should default to "audio" if no videos exist