lock: Sync lockCode input with lock renew

Reviewed-By: Peter Rotich <peter@osticket.com>

bugs: Fix collaborators lookup

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

Also, add warning popup when lock is about to expire and allow the user to
attempt to renew the lock. Also, connect the keyup callback for redactor to
the autoLock.handleEvent for greater update of the lock, and also deadband
the lock to every 10 seconds.

lists: Update list management page

Reviewed-By: Peter Rotich <peter@osticket.com>

Conflicts:
	include/staff/tickets.inc.php

bugs: Fix  help topic create + forms

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

topic: forms: Hide forms with no visible fields

Upgrader bug fixes

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

upgrader: Log SQL errors

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

Conflicts:
	assets/default/css/theme.css
	include/client/tickets.inc.php
	include/staff/templates/tickets.tmpl.php
	include/staff/ticket-view.inc.php
	include/staff/tickets.inc.php
	scp/css/scp.css

Conflicts:
	include/class.list.php

filter: Fix filtering by list item properties

Reviewed-By: Peter Rotich <peter@osticket.com>

Collaborators for threads, lock as a utility

Reviewed-By: Peter Rotich <peter@osticket.com>