Log internal note on mass close/reopen - instead of activity log.
Default to 'SYSTEM' if note poster is not passed.

Make sure SLA plan is 'active' when marking tickets overdue.

Refactor postNote to take vars
Add logNote as "private" interface for postNote

Imrove internal notes posting
Improve ticket assignment & alerts

Change %assigned to mean assignees (staff or/and team)

Add topicId to supported vars (else we can't create a Ticket) & Prevent api posts without attachements to trigger an uggly php error

Reviewed-By: Jared Hancock <jared@osticket.com>

Fixes: Assign Alerts now sent,  InternalNote Alert %message fixed. Added: %assigner to InternalNotes Template

Reviewed-By: Jared Hancock <jared@osticket.com>

But don't send out canned responses for new tickets that matched a filter
with an attached canned response if that response is not enabled. Also,
explicitly block deletes to filters that are in use.

- Move access to it's own table.
- Refactor what department membership means in relation to group access

Add print options supports - staff can now print a ticket thread without internal notes + select paper size on the fly