Make tasks actions icon based buttons
Fix task assignment issue

Adjusted all tables to use % instead of px.

Styled dashboard page.

Redirect to recent queue / listing on transfer or assign

Utilize the same template for tickets and tasks queues

Remove manual roll-up on tickets page since it's auto-added.

* Preserve external storage flag on field configuration
* User gridlayout to render task's forms
* Use new roles for task's nav

Credit: Jared Hancock <jared@osticket.com>

* Fix crash visiting tasks page while ticket adv search
* Fix search on custom fields
* Add search on ticket source
* Move more advanced fields to drop-down

Move collaboration implementation to thread level

Add a tab for tasks
Add mass action for tasks