Added grading progress bar to assignment's show view (for TA's + instructors only)
Moved the begin_grading logic into assignments_helper
Moved begin_grading logic into assignments_helper. Started assign_grades logic
Updated progress bar so it's not striped
Added "Finish Grading" button and route for assignments
generated and ran migrations to add grading_score to students and index grading statuses of assignments
Added grading_score to list of attributes in enrollment model
Still working on assigning grades helper. Added template for updating grading_scores helper
Small semantic fix in assign_gradings helper
Created grade model and ran migration. First draft of assignment helpers
Made assign_grade method of enrollment update an already existing grade if there is one
Fixed small typo in assign_grade method for enrollment
Fixed stupid typo in grade model
moved assignment helpers to their respective models and finished them off. They're good to go
Updated assignment views to show scores for students