Add enrollment term to course autocomplete

Implement this [feature request](https://help.instructure.com/entries/26234635-Add-course-term-to-search-auto-complete-suggestions) to show the enrollment term of a course in the search auto-complete drop-down, so that users can tell apart courses with the same name from different terms.

Test Plan:
  * Search under Find a Course on any Managed Accounts page
  * Search for a course in Import Content (Copy a Canvas Course)

The autocomplete drop-down should show course name and its term.

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*NOTE: We have a signed CLA for all of Simon Fraser University (SFU) on file.*