Tickets 2.1.0 released

Tickets 2.1.0 is now available for all licensed customers to download.
  • Add a basic and optional knowledge base system.
  • When copying a thread/conversation to a ticket, update BBCode references to point to new attachments.
  • Implement attachment handling when editing an edited ticket message.
  • Fix preview link for editing ticket messages.
  • Add the ability to prune custom field contents after a period of time has elapsed after ticket creation.
  • More accurately set dates for incoming email tickets.
  • Add a permission for viewing ticket owner email addresses.
  • Canonicalise URL in ticket response JS.
  • Add missing template for category sorting.