Fixes #198

Change recent activity date as opposed to create date on ticket view

- Tickets will recent replies from the user floats to the top.
- Priority still tops the effective

  * Require a label on form fields
  * Require variable name to be unique per form
  * Fixup duplicate phone numbers on upgrade

Allows the client to be changed on a ticket. Previously, only the
information about the client associated with the ticket was editable. This
patch permits assigning a completely different user to the ticket.

  * Upgrade to Redactor 9.1.7
  * Use a (x) icon from font-awesome for the dialog

And extend the information to email templates

The typeahead for user email address was dropped somewhere along the way

Fixes #77

If a form field is required, then a name will be necessary in order to plumb
up the API.

Add information about current software versions, server software, php
extensions loaded, and database space usage.

In the future, this will offer a nice place to add an import/export button
for data backup and restore, announcements, and more

Fixes #65

Also ensure that the ticket thread is displayed in a <div> container as some
browsers seems to frown upon <iframe>s in <td> elements

Fixes #75

PHP can't discern the difference between d/m/Y and m/d/Y when just the date
is submitted to strtotime(). Unfortunately, strptime() is not available
until PHP 5.1.0. This patch forces datepickers to change their values to
YYYY-MM-DD upon submission to disambiguate parsing issues.

Fixes #832

Including adding support to the TCL uninitialized variable reader to ignore
class-static variable access as well as detect inline functions and their
closure arguments.