Added client-side required fields checks. Also moved most JS calls from the form's HTML to within create_assignment.js. Most Prototype within create_assignment.js converted to jQuery.
Merge branch 'assignment-required' of https://github.com/arkon94/Markus into arkon94-assignment-required
Merge branch 'master' of git://github.com/MarkUsProject/Markus into assignment-required
Fix for undisabling submit button in Chrome. Disabled buttons show not-allowed or normal cursor instead of pointer (depends on the browser/OS, I guess).
Removed unnecessary required fields * indicators (from all 3 locales)
Merge branch 'assignment-required' of https://github.com/arkon94/Markus into arkon94-assignment-required
Added due_date to fr.yml