* Renamed the RD_RLM2_CLIENT_TCP_PORT define to RD_PAD_CLIENT_TCP_PORT.
* Renamed the RD_RLM_SOURCE_UNIX_ADDRESS define to
RD_PAD_SOURCE_UNIX_ADDRESS.
* Added a RD_PYPAD_SCRIPT_DIR define.
* Added an 'RDNotification::PypadType' value to the
'RDNotification::Type' enumeration.
* Added 'PypadOwner=' and 'PypadGroup=' directives to the
'[Identity]' section of rd.conf(5).
* Added an rdpadengined(8) service.
* Added a 'PYPAD_INSTANCES.IS_RUNNING' field to the database.
* Added a 'PYPAD_INSTANCES.EXIT_CODE' field to the database.
* Added a 'PYPAD_INSTANCES.ERROR_TEXT' field to the database.
* Incremented the database version to 304.
* Converted ripcd(8) to use RDApplication.
* Documented a 'Notification' message type in
'docs/apis/notification.xml'.
* Added an 'RDMulticaster' class.
* Added an 'mcast_recv_test' program in 'tests/'.
* Added a 'SYSTEM.NOTIFICATION_ADDRESS' field to the database.
* Incremented the database version to 276.
* Added an 'Mcast Address for Notifications' control to the
'System-Wide Settings' dialog in rdadmin(1).
* Implemented the 'Process Notification' ['ON'] command in
ripcd(8).
* Added an 'RDRipc::sendNotification()' method.
* Added an 'RDRipc::notificationReceived()' signal.