View Course Information on the Item Record

View Course Information on the Item Record

- Users with the MANAGE_RESERVES permission who are opted
into the course module can view a new Course Info tab on
the item record.
- Course Info tab displays a list of all courses(with link
to the Admin Course Page) item is associated with, and a
list of all instructors associated with those courses.
- Improvements to open-ils.circ.course_users.retrieve.

Signed-off-by: Kyle Huckins <khuckins@catalyte.io>
 Changes to be committed:
	modified:   Open-ILS/src/perlmods/lib/OpenILS/Application/Circ.pm
	new file:   Open-ILS/src/templates/staff/cat/item/t_course_pane.tt2
	modified:   Open-ILS/src/templates/staff/cat/item/t_view.tt2
	modified:   Open-ILS/web/js/ui/default/staff/cat/item/app.js