Added server log pages, fixed server settings page throwing PDO exception (no table selected) and added some admin permission checks.
Added "username" and "amount" rows to ac_cash_shop_log, added view-server-acc permission.
Added documentation to server logs and cart classes, added some char/map log search methods.
Renamed login server log pages, added permission checks to login server navigation menu.
Fixed user and role edit pages parsing GET ajax requests as POST.
Changed error log template.