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

Allow regular staff members to show assigned open tickets on open queue

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

Previously only admins and department managers could show assigned tickets
on open queue -even- when the feature is disabled globally. This pull
request extends the same previlege to all agents.

email: Fix inline images sent in old HTML markup

Reviewed-By: @enricoandreoli
Reviewed-By: @sgozzi

Such images are attached to emails by Lotus Notes. Technically, these images
are valid attachments, although historically osTicket would reject them

Update class.osticket.php

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

Fix several bugs preventing file downloads

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

This is a regression introduced somewhere along the way in the new storage
API system for osTicket.

Fixup embedded HTML images

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

There are extensions such as "7z" and "gz" that are valid.

email: Fix possible crash if no body in email

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

Fix possible crash if `i18n` folder is not readable

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

Plus-addressing test

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

Conflicts:
	WHATSNEW.md

Conflicts:
	include/class.mailparse.php

Conflicts:
	include/staff/templates/user-lookup.tmpl.php

lint: Fail on js syntax errors

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

mysqli: Allow for persistent database spec

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