filter: Implement priority 

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

The priority setting was broken when priority was added to the dynamic data

auth: Forbid password reset for non-local users

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

Register session close on shutdown at the start of session handling

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

Add delivered-to detection to mail fetcher

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

pipe: Honor attachment ext and size restrictions

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

smtp: Reuse existing connections where possible

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

tnef: Support TNEF for fetched emails

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

This is necessary to make sure session data is saved on redirect.

Also allow an administrator to lift the force password change flag without
specifying a new password.

Duplicate delivered-to handling from mail parse as temp. solution.

Previously, the data blocks were inspected byte for byte. Now data blocks
are parsed 1k at a time. Fewer PHP function calls ultimately means faster
performance.

Conflicts:
	include/class.client.php
	include/class.usersession.php

Conflicts:
	include/class.client.php
	include/class.usersession.php

Conflicts:
	include/class.client.php
	include/class.usersession.php

auth: Ensure session token is cleared on logout

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

Parse Microsoft TNEF email attachments

Peter Rotich <peter@osticket.com>

Shift error checking into Mail_Parse::parseAddressList

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

Add ability to audit failed logins attempts

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

Separate authentication strike (excessive login attempts) count from timeout
enforcement.

Conflicts:
	include/class.forms.php

Remove delivered-to addresses from list of recipients

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

Assume ISO-8859-1 when charset is unknown or bogus

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

Unfortunately, this is necessary because some mail clients send in content without defining
the charset or at worse using freaking wrong/invalid charsets like
'default'!

This should speed up the system where several emails and alerts will be sent
through the same SMTP account in the same request.

Simplify workflow for new ticket by staff

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