Closes #311
Challenge grades paths
Updates to student dashboard
Merge branch 'master' of github.com:bellotastudios/gradecraft-development into fonts
Cleaned up tabs on student dashboard
Fixed quick grade button on assignment show page
Renamed assignment type application
Simplified assignment status
Fix current_student issue
Updated content nav for student view
Merge pull request #323 from bellotastudios/currentstudent

Current student