display submissions per assessment
merge front end updates
display chart of graded assessments
display how many assessments have been submitted and graded in one chart
merging front_end with master
fix n plus one error
Merge branch 'fix_n_error'
add grade assessment feature
Merge branch 'grade-assessment'

remove deleted files in merge conflict
Merge branch 'master' of https://github.com/asteward/epissessments
Update links to analytics in teacher navbar
make graded/ungraded counters dynamic
Add teacher ungraded submissions status icon
Test User teachers and student scope
test for assessment_completion method
test method to count total four point grades
test methods to count total 3, 2, 1 point grades