Added confirm dialog to archive() buttons
Housekeeping/bio photo tweaks
Added missing units-phone instructions
Fix archive confirm for courses
Added initial instructor stats modal

This is a very basic table of data, later we can robust this out into
something fancy for the users
Removed modal-add-seats redundant code
Added teaching stats model

This could be used for instructors/units or courses
Added allocatedSeats count to cacheFiller()
Readied requests for autoApprove actions

These will be used by the J4 or FTD to auto-add students to a course
Refactored row processing to use new _update() function
Housekeeping

Removed old scheduled-ftd view
Housekeeping/controller support for instructor stats