deleted access option
Explode on whitespace
doesn't output the logged in user in studentview
Added reset button to Studentview
Delete-button added to studentview
added reset buton
Changed delete-students into Ajax-call instead
Fix SQL injection

Passing variables straight to the database without using prepared
statements is a bad idea.
Made all users get added with read access

This forces the teacher to explicitly set the user to teacher mode.
Handle malformed student data

It's now possible to import somewhat malformed student data.
Merge remote-tracking branch 'origin/duggasys-feature-studentview' into duggasys-master

Conflicts:
	DuggaSys/css/style.css
Merge remote-tracking branch 'origin/duggasys-Quiz' into duggasys-master