Floating point values should be treated as strings to ensure values such as 1.0 are not converted to 1. Such conversion invalidates the signature generated for the credit request. Additionally, JSON has no concept of a floating point datatype.
ECOM-2172
* Correctly format the student's full name on the progress page.
* Add tests for progress page credit requirements display.
* Display grade percentage for credit requirement on progress page
* Remove m2m relation between credit course and credit providers.
* Separate eligibility and provider APIs into different modules.
* Add API call for retrieving a user's eligibilities.
* Cache credit course list.
* Style the dashboard purchase button.
* Display a link for the credit provider on the dashboard.
* Add analytics events for clicks on the purchase button.
* Expose more credit models to Django admin and add search functionality.