Added 3.4. changes.

Added 3.3.1 changes.

Enhancement: Added authorization checks for ticket controller actions…

…: ticket_customer ticket_history ticket_related ticket_recent ticket_merge ticket_split.

Release 3.3.0

Release 3.2.1

Updated changes to 3.2.0.

Updated changes to 3.1.0.

Updated changes to 3.0.1.