Conflicts:
	include/staff/template.inc.php
	scp/js/scp.js

Conflicts:
	include/mysqli.php

Allow staff to cancel user lookup popup when creating a new ticket

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

Make using `realpath` safer

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

The change will allows staff to open a new ticket without going through the
"forced" user lookup popup. On cancel the staff is presented with a
simplified user info form with email and name being the only fields
required.

search: Improve typeahead search results

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

Revisit template management page

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

forms: Allow decl of prompt and default for choices

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

Fix parameter count to TicketLock::lookup

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

Required for PHP 5.5 compatibility

Fixup search for users with hits in an searchable authentication backend:

  * If there is a hit for the remote backend, include that in the search for
    local users by email address. If there is a hit locally for the same
    email address, then remove the remote hit from the search results.

Fixup typeahead results

  * Abort previous search requests when the user enters more text into the
    search fields. This makes the search box feel more consistent, and
    avoids the case where the user finishes typing and valid search hits
    never appear

Pluggable storage infrastructure

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

If a plugin refuses to be uninstalled, allow it to set an error to be
displayed on the management page.

Add `attrs` field for backend state information (multi-part migration,
multi-part upload, etc). Change `size` to be an integer rather than text
field. (Storage space will be about the same, but int makes more sense).
Size the `key` and `signature` for ~512 bits. The base64 encoding allows
6-bits per char. At 86 chars, we have 516 bits maximum space.

Fixes the rewriting of the `key` field in the ticket thread body. The
storage de-duplication system may replace the `key` value with an existing
one. The ticket thread system will use the `key` value assigned when the
file is committed to the database or the existing key of the duplicate file.

Also fixup installation issues with the attachment storage plugin
architecture

  * Include a `bk` column to store the storage backend
  * Include a `signature` column which represents a repeatable hash of the
    file contents
  * Rename `hash` to `key` since it isn't a real hash

Authentication backends revisited

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

Ensure a ROOT_PATH is defined for CLI apps

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

This allows SSO backends to ingore authenticate method

No need to execute signal connect for each request!

Allow the administrator to enter a prompt to be shown in the choices
drop-down for choice fields. Also add the option of selecting a default
value from the list initially rather than displaying a prompt.

filters: Unpack the user information before filter

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

Missed one.. :-(

Couldn't find the rebase to this.. actually, I didn't look, I'm still struggling with git and eclipse, would probably have been easier with vim! Anyway, rewrote changes for 1.7.

SSO was originally used for a SSO plugin. The backend has since been
refactored to support other authentication backends.

If a user is created / selected before opening a ticket (very likely the
case in the SCP), the email address and name should be unpacked into the
$vars dictionary prior to creating and processing ticket filters