Add note poster on ticket's mass processing.

Notification Bars

Installer revisited

Issue/397

Implement sticky sort on all queues

Attachments handling

Bulk/Auto-reply headers

Add overlay + please wait spinner on form submit

UTF-8 enclode attachment filenames
Improve encoding/decoding routines

* Change default sort order to DESC

1) Ability to limit who can post a reply
2) Expanded staff's stats view.

Fix redirect bug in l.php for IE8

IE8 redirect fix.

Fixes bug in IE 8 32bit browser that makes the browser windows reload in a never ending loop.

Sticky sort order

Auto-detect bounced emails

Issue/384