OPEN - task 72: Grade Dropping Below Threshold Export 
https://github.com/maine207/aspen/issues/issues/issue/72

Swapped values so that the AP and Non-AP correspond to the correct
grades.
OPEN - task 72: Grade Dropping Below Threshold Export 
https://github.com/maine207/aspen/issues/issues/issue/72

Fixed Criteria queries so that correct ScheduleTerms are referenced.