* Moved the 'LogPlay' class in rdairplay(1) to 'RDLogPlay' in
the core library.
* Moved the 'RLMHost' class in rdairplay(1) to 'RDRLMHost' in
the core library.
* 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 'LOGS.LOCK_USER_NAME' field to the database.
* Added a 'LOGS.LOCK_STATION_NAME' field to the database.
* Added a 'LOGS.LOCK_IPV4_ADDRESS' field to the database.
* Added a 'LOGS.LOCK_DATETIME' field to the database.
* Incremented the database version to 273.
* Added log locking logic to rdlogedit(1).
* Added an 'RDMatrix::KernelGpio' element to the 'RDMatrix::Type enum.
* Implemented a Kernel GPIO switcher driver in 'ripcd/kernelgpio.cpp'
and 'ripcd/kernelgpio.h'.
* Added a 'CUTS.SHA1_HASH' field to the database.
* Incremented the database version to 261.
* Added a 'Sha1' column to the Cut List in 'rdlibrary/audio_cart.cpp'.
* Added 'RDCut::sha1Hash()' and 'RDCut::setSha1Hash()' methods in
'lib/rdcut.cpp' and 'lib/rdcut.h'.
* Added a '--rehash=' directive to rddbcheck(8).
* Added a 'Rehash' Web API call.
* Added an 'RDRehash' class in 'lib/rdrehash.cpp' and 'lib/rdrehash.h'.
* Update web test methods in 'web/tests/'.
* Added an 'RDSchedCode' class in 'lib/rdschedcode.cpp' and
'lib/rdschedcode.h'.
* Implemented the 'ListSchedCodes' web method in
'web/rdxport/schedcodes.cpp'.
* Implemented the 'AssignSchedCode' web method in
'web/rdxport/schedcodes.cpp'.
* Implemented the 'UnassignSchedCode' web method in
'web/rdxport/schedcodes.cpp'.
* Implemented the 'ListCartSchedCodes' web method in
'web/rdxport/schedcodes.cpp'.
* Extended 'RDGetWebTime()' and 'RDGetWebDateTime()' functions to
support XML 'xs' namespace formats.
* Implemented '*_POINT' fields in the 'EditCut' web method in
'web/rdxport/carts.cpp'.
* Modified the 'RDCart::removeSchedCode()' method so as to treat
scheduler codes in a case-insensitve manner.
* Modified the return of the 'EditCut' web method to provide a full
<cutList> record in 'web/rdxport/carts.cpp'.
