Primary address can be made optional
Modified some rights
Solved a bug that I introduced when testing the previous feature
Some bugfixes for the optional addresses
[QuizBundle] Implement sorting backend
[QuizBundle] Add flashmessages for sorting
[QuizBundle] Fix sortable bug

sortable-table.jquery.js from
vierbergenlars/snippets@d01f29b82bd0b0a0afdb8c759abd906361d8cfab
Cleanup
Added mail form
Merge remote-tracking branch 'origin/dev-promotion'
basic override works.  Todo -> fix search in database bug
minor typo
Fixed the volunteer ranking

I'm really starting to dislike those academic year.
Show flashmessage when no textbooks are booked
The update.sh script now makes sure all scripts are executable
Bugfix
Refactored the Bootstrap form classes
Fixed a bug of @pmaene
delete should work
Some fixes