Require Standard Library v1.5.0+, as this implements the template filter replacevalue
Support 64bit xf_ip.ip_id column.
Support linking a ticket category to a resource category.
Add Sort button to ticket priority and status lists.
Add spam cleaner support.
Fixes inactive priorities/statuses could be assigned to a ticket on edit.
Fixes the "Alerts are sent when a ticket transitions to this status" flag was not respected
Fixes editing a ticket's title to a falsy value.
