Create the service stub for peer grading
This stub just has some doc and empty functions so we can discuss if the contract is reasonable, then potentially build on this frame.
Adding a function for submitting a score for a submission
First pass at adding Napoleon and sphinx to the project.
Getting the docstrings to work.
Merge pull request #3 from edx/sanchez/create_peer_grading_service_stub

Create the service stub for peer grading