Make the error message clear

This will allow for more complex widgets to be added as plugins which
include css and javascript media files without manually adding header or
footer lines.

Cleanup status change form
Add resolve to ticket ticket view
Use the new status table when checking for overdue

Unify use of modal dialog
Make popup dialog graggable

Statuses with tickets cannot be deleted
Fix orm to class gracefully when joins are not inspected
Add create date to new statuses

Reserve 'archived' state for automation

Move ticket status change to unified backend.

Add other locations as well a failsafe for the htmlentities() call

Ticket numbers are now configurable as a system-default and by help topic.
Previously, an administrator could select between six-digit random and
sequential numbers. Now, the sequence is selectable so multiple sequences
as needed, and a format can be specified to define how the ticket numbers
look. Formats can also be defined for each help topic.

References:
(Requires Crowdin account)
http://i18n.osticket.com/translate/osticket-official/148/enus-de#3852

Names parsed from incoming emails are stored in the database as is. This
pull request addresses potential XSS vulnerability due to improper display
of unsanitized names. Going forward names will be scrubbed on create.

If a list item properties form was unable to be saved (likely due to
validation errors) properties for other list items would not be loaded
correctly (via AJAX) afterwards.

Add an interface for custom list items.
Implement CustomListItem for built-in and custom lists.

The user preview tool tip and edit dialog use the same user template.
Editing on preview mode resulted in partially hidden edit form. This fix
adds ability to popup a dialog modal on edit while on preview mode.

On the user profile page, the link to view the organization now triggers a
popup dialog which allows for changing and editing the organization directly
from the user profile page. An additional [Manage] button is added to the
dialog to allow redirect access to the organization page.

Link to org & user landing pages & kill pjax on internal pages