Fixed user bundle

Fixed bugs where you could delete someone with role_setup and also
delete/demote/premote yourself.
Fix hours

Made it so you didn't have to put in days even though by appointment
was checked.
More fixes

Made days/time render correctly throughout the website.
Bug fix and Drag n Drop!

Fixed bug where forms wouldn't clear when adding a folder/file.

Also implemented drag and drop to the question page.
Removed display students, made finding students much better.
Better Casing, bug fixes

Uppercase or title case a lot of things by default. Removed file that
wasn't used anymore, fixed some broken routes caused by removing
display_students.
Bug fixes

Fixed bug where some buildings couldn't be selected.
Fixed bugs where some numbers could be set negative.
Fixed bug where students could give arbitrary points to any student.
Fixed bug where exam global settings wouldn't save.
Made question content searchable.
More fixes

Got rid of csrf protection, removed ability to delete questions if they
are being used, rearranged front page, made titles match, made trip
bundle form clear after creating a trip.
Moved lots of html to base.html.twig
Default Error Page
Merge branch 'bug-fixes'