Changed the Student Flashcard dashlet and added the Attendance Report dashlet (% of teachers reporting).
Properly sanitize worksheet names; ticket #4506
Fix ApplicantAdmin.save_formset()
Try to future-proof AlumniAdmin.save_formset()
Added unit test and teacher submission percentage dashlet.
Fixed to get_context_data
Merge pull request #1 from burke-software/develop

Pull FROM burke develop TO jeffbayes master.
Pushing all changes to update local repo. Some changes may be good or bad, no guarantees.
 test
Fixed everything to be compatible with responsive_dashboard 0.14
Merge branch 'master' of https://github.com/burke-software/django-sis into develop
Merge branch 'master' of git://github.com/jeffbayes/django-sis into develop