* Added a 'STACK_SCHED_CODES' table to the database.
* Dropped the 'STACK_LINES.SCHED_CODES' field from the database.
* Incremented the database version to 308.
* Renamed the 'SchedCartList' class to 'RDSchedCartList' and
refactored it to be idiomatic Qt.
* Renamed the 'SchedRulesList' class to 'RDSchedRulesList'.
* Added a 'STACK_SCHED_CODES' table to the database.
* Dropped the 'STACK_LINES.SCHED_CODES' field from the database.
* Incremented the database version to 308.
* Renamed the 'SchedCartList' class to 'RDSchedCartList' and
refactored it to be idiomatic Qt.
* Renamed the 'SchedRulesList' class to 'RDSchedRulesList'.
* Fixed a bug in the rivwebcapi 'RD_ListLogs()' that caused
corruption of log names containing multi-byte UTF-8 characters.
* Fixed a bug in the rivwebcapi 'RD_ListLog()' that caused
corruption of log names containing multi-byte UTF-8 characters.
* Fixed a regression in the 'RDLogEvent::insert()' method
that threw a segfault when applied on am empty log.
* Fixed a bug in date/time parsing methods that could cause
segfaults.
* Renamed the 'RDWaveData::introStartPos()' method to
'RDWaveData::talkStartPos()'.
* Renamed the 'RDWaveData::setIntroStartPos()' method to
'RDWaveData::setTalkStartPos()'.
* Renamed the 'RDWaveData::introEndPos()' method to
'RDWaveData::talkEndPos()'.
* Renamed the 'RDWaveData::setIntroEndPos()' method to
'RDWaveData::setTalkEndPos()'.
* Added an 'RDWaveData::validateMarkers()' method.
* Added an 'RDWaveData::validateDateTime()' method.
* Removed the 'RDWaveData::checkDateTimes()' method.
* Added 'RnRmlOwner=' and 'RnRmlGroup=' directives to rd.conf(5).
* Refactored the implementation of the 'Run Shell Command' ['RN']
RML to use runuser(1).
* Fixed a regression in rdairplay(1) that caused macro carts with
the 'Use Event Length for Now & Next Updates' attribute set to
fail to use the parent rdlogmanager(1) event/clock duration.
* Renamed the 'Use Event Length for Now & Next Updates' checkbox
in the 'Edit Cart' dialog in rdlibrary(1) to 'Use RDLogManager
Length for PAD Updates'.
* Updated the screenshot of the 'Edit Cart' dialog in the
Operations Guide.
* Refactored routines for parsing/writing standard date/time strings
(RFC822 and XML xs:dateTime formats) into 'lib/rddatetime.[cpp|h].
* Removed the 'RDWebDateTime()', 'RDGetWebDateTime()',
'RDGetWebDate()', 'RDGetWebTime()', 'RDGetWebMonth()',
'RDXmlDate()', 'RDXmlTime()', 'RDXmlDateTime()' and
'RDXmlTimeZoneSuffix()' functions from 'lib/rdweb.[cpp|h].
* Added a 'dateparse_test' test harness.
