Ensure window.isExternal is loaded
Don't set a default for terms of service
For paid courses, add the course to the cart and redirect to the shopping cart view.
Don't send form method and url as form data.
Stub window.analytics in the access view test.
Includes several bug fixes caught during test writing, general clean-up, and adds js-url, a lightweight URL parser
Moved to setting ajaxType with passed in method for models and now handling form load fail errors
Added tests.
