Provide facility to set collaborator status on add.

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

Fixes #390

For use in the materialized view column names

Fix possible serious errors in dynamic form fields

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

Fix ticket queue counts for limited users

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

Fix dropping of materialized view when variable name is changed

Ensure view exists before merging updates

Prevent possible sql injection error in field name used in the materialized
view.

Prevent possible xss error in the display of the field label and variable
name in the admin panel.

Conflicts:
	include/class.ticket.php

Ensure form for fields created during install

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

Conflicts:
	include/class.http.php
	include/mysqli.php

email: (Almost) always convert html on text body

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

Don't send attachments in staff alerts

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

Add underline button to redactor toolbars

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

This is especially important if the html ticket thread is disabled. In such
a case the message body will still be HTML, but an HTML email should not be
sent out.

Fixes #374

Satisfy lint test engine

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

http: Legacy versions of IIS redirect incorrectly

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

(And newer versions don't seem to like the legacy code). This patch uses a
`Refresh` header for IIS versions prior to 7.0 (included with Windows Vista
/ Server 2008). Starting with IIS 7.0, the Location header should be
properly handled by IIS.

Revisit plugin manager

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

perf: Use a materialized view to speed queue views

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

IE: Fix redactor and IE compatibility view for SCP

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