* Refactored logging system to use syslog(3) exclusively.
* Removed the 'Facility=', 'LogDirectory=', 'CoreDumpDirectory='
and 'LogPattern=' directives from rd.conf(5).
* Added 'RnRmlOwner=' and 'RnRmlGroup=' directives to rd.conf(5).
* Refactored the implementation of the 'Run Shell Command' ['RN']
RML to use runuser(1).
* Removed support for the 'Backup Database' ['DB'] RML.
* Removed support for automatic DB backup.
* Dropped the 'STATIONS.BACKUP_DIR' and 'STATIONS.BACKUP_LIFE'
fields drom the database.
* Incremented the database version to 296.
* 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.
* Added a 'GPIO_EVENTS' table to the database.
* Incremented the database version to 240.
* Implemented GPIO event logging in 'ripcd/local_macros.cpp' and
'ripcd/ripcd.h'.
* Added an 'Events Log' area to RDGpiMon(1) in
'utils/rdgpimon/rdgpimon.cpp' and 'utils/rdgpimon/rdgpimon.h'.
* Added code in rdmaint(1) to purge logged GPIO events in
'utils/rdmaint/rdmaint.cpp' and 'utils/rdmaint/rdmaint.h'.