New Support System Plugin Alpha

What's new in this release:

* Notify user when admin replies a ticket while awaiting user reply
* Include link to the ticket in the notification mail to the user
* Switch the main menu text option to a site option
* Localization
* Use css classes to hide faq (not inline styles)
* Reply to tickets via mail (Needs access to mailbox via IMAP)
* Fixed redirect after saving Support options
* Test IMAP settings
* Possible fix for "Support System Invalid Ticket message"