This will put the actual score and actual max score in scope for
the the return_csv function, so actual scores can be dumped.
The ultimate goal is to provide this data in the CSV dump that is
passed to Stellar via pylmod.
This is PR #10395 on edX, and issue 95 on mitocw's edx fork.
https://github.com/edx/edx-platform/pull/10395https://github.com/mitocw/edx-platform/issues/95
