Add System Administrator and Judge Account

To add a super administator:

alias pm="python3.5 -m"
pm vj4.model.user add -1 icebox 12345 [email protected]
pm vj4.model.user set_superadmin -1

To add a judge:

alias pm="python3.5 -m"
pm vj4.model.user add -2 judge 12345 [email protected]
pm vj4.model.user set_judge -2