CLC-4592 - Alt Media: As Alternative Media Sponsor, I need to make Instructor's alternative media obligations visible and accessible in bCourses

https://jira.ets.berkeley.edu/jira/browse/CLC-4592

![image](https://cloud.githubusercontent.com/assets/746759/5550277/ede5c25c-8b55-11e4-9edf-0f44c40165be.png)