edx/edx-ora — pull request #143 by jbau (2013-10-09 23:18:42+00:00)
Title: change StaffLocation graded query due to overgrading

@VikParuchuri
a simple change to use a join with the controller_grader table to calculate instructor-graded submissions.

Necessary because overgrading can change the grader_types in controller_submission.