changed project_root value
Added the rest_framework library and created a basic serializer for the products
Refactored the views to use the Response object. Results can now be seen
in HTML "api" format
Refactored the views to use class-based views instead of function-based
ones.
Refactored to use generics
Added a bare template to list the descriptions and try the template
rendering from the rest_framework.
Added bootstrap and included it in the base template
Added inverse urls in a couple of places, adapted the urls.py to do
that.