whitelisted guests can now login
show error message if entity already has role
change top bar to only have 'manage users' and have /admin/ automatically list out links to all roles
do facstaff/student worker stuff in login function
give facstaff on login
add script for migration (convert admins to power users)
refactor login login to make more sence
control whether comment box is shown on a per-role basis
make cursor pointer when hovering over delete link
fix admin menu bar items on edit/stats/qr pages
add comment field to roles
move logout button to right side of menu bar
add whitelisted user role
fix admin menu bar items on /roles/* routes