Merge branch 'master' of http://github.com/Stanford-Online/class2go into dca_new_working2
#1740 - Mark db records as "csv imported"

ExamRecordScore
ExamScore

This causes a migration.
Merge branch 'master' of http://github.com/Stanford-Online/class2go into dca_new_working2
Merge pull request #1742 from Stanford-Online/dca_new_working2

#1740 Mark db records as "csv imported"