Fix pre-release bugs :D

Kuzi 1.1.0

Features:
- (Marks for teachers) Deletion of marks
Fixed bugs:
- (Dashboard) The quotes acted weird when on mobile

The birthday list now works

This is the last commit before 1.0
Changes:
- Change the default option of disableMotivationalQuotes to false
- Clean up the code
- Remove leftover test code
Fixed bugs:
- (Dashboard) Layout issues when the quotes were on