Fixed studentlist :B
Merge branch 'duggasys-Quiz' of https://github.com/HGustavs/LenaSYS_2014 into duggasys-Quiz

Conflicts:
	DuggaSys/ajax/updateStudentGrade.php
	DuggaSys/js/paginationStudentlist.js
Small change

Removed grade options for users who hasn't taken the quiz but has access
to it.
Made the edit action move the user to index

On success the edit page will now redirect the user to the menu page.
Merge branch 'duggasys-master' of https://github.com/HGustavs/LenaSYS_2014 into duggasys-master