fix split submission comment->grader allocation
fix split submission comment->grader allocation

CodeGrade/bottlenose,blerner/bottlenose,blerner/bottlenose,CodeGrade/bottlenose,NatTuck/bottlenose,NatTuck/bottlenose,NatTuck/bottlenose,CodeGrade/bottlenose,blerner/bottlenose,CodeGrade/bottlenose,blerner/bottlenose,NatTuck/bottlenose,blerner/bottlenose,CodeGrade/bottlenose,NatTuck/bottlenose,blerner/bottlenose,CodeGrade/bottlenose,NatTuck/bottlenose,blerner/bottlenose,CodeGrade/bottlenose