devilry_gradingsystem: Updated feedbackbulkeditorbase for changes in bulkviewbase.
devilry_gradingsystem...feedbackdraft_bulkpreview: Preview->publish works.
devilry_gradingsystem: The entire workflow works.
devilry_gradingsystem: Fixed the button bar for bulk editing.
devilry_examiner: Autoredirect to waiting for feedback from frontpage

if anyone is waiting for feedback.
devilry_examiner: Removed BulkTest view.
devilry_examiner...singledelivery_base: Fixed the timesince deadline message.
devilry_examiner...dashboard: Fixed the tests.
devilry_examiner...allgroupsoverview_base: Show all button first.
devilry_examiner: Updated getting started guide links to examiner.html.
devilry_examiner...allgroupsoverview: Counters for each menu item.
devilry_gradingsystem...editmarkdown: Use * instead of _ for italic.
devilry_gradingsystem.urls: Fixed markdown help link.
devilry_subjectadmin: Organized views.py into a module.
devilry_developer...soupselect: Added prettyhtml().
devilry_subjectadmin: Added assignment_breadcrumb include template.
devilry_examiner...add_deadline: Improved the datetime widget.
devilry_subjectadmin: Usable editing view for assignment.

Needed for #520.
apps.core.assignment: Better help texts.
devilry_subjectadmin...assignment_update: Cleanup.