* Refactor several related endpoints and views
* Redesign EnrollmentView, add TeacherContactModal
* Add "Enrollment Status" tab to TeacherClassView
* Delete PurchaseCoursesView and related files
* Style-flatten RemoveStudentModal
* Fix error handling in ActivateLicensesModal
* TeacherCoursesView loads faster by only loading course campaigns, and not load prepaids
* Updates spade.js vendor file, adds a sublime-project for developers to use
* Moves server logic away from handlers
* Moves session update logic to middleware, sets up server schema to autorender IDs as ObjectIDs
* Modernizes the supermodel loading scheme and switches from constructor to initalize
* Take `/server/routes/auth` and move most of the logic to `/server/middleware/auth`, refactoring to use generators.
* List all `/auth/*` endpoints in `/server/routes/index.coffee`.
* Fill in testing gaps for `/auth/unsubscribe`.
* Add debug log when `sendwithus` is not operational, so it 'works' in development and testing.
* Use passport properly!
* Track Facebook and G+ logins in user activity as well as passport logins.
