move instructor views.py to views/legacy.py
fix repoint dump_grades script
add instructor dashboard beta (partial) (view, template, coffeescript, api endpoints)
remove pid and version
add slickgrid assets
integrate slickgrid, add instructor.enrollment, add instructor.access, refactor & clean
rename enrollment section to membership
add staff management subsection, add student_admin subsection, refactor sections
add instructor dash version switch
add forum list management
add beta to endpoint, rename endpoint
cleanup

- rename list copy
- add beta list
- fix forum and admin API's to be more similar
- add auto-enroll checkbox
- fix list reload
- remove extra js logging
- add course errors visibility toggle
- add underscore.js check
add instructor tasks
visual cleanup, page error presentation cleanup, factor out common exceptions
move tests to legacy
fix legacy tests to point to legacy
add tests
make year_of_birth graph bigger, add display names to analytics, remove extra context, fix typos & formatting
add feature switch for beta dashboard
fix pep8 violations, fix pylint violations