* Refactored the 'RDClock::insert()' method to calculate the
ordinal position of the inserted event automatically.
* Fixed a bug in rdlogmanager(1) that caused newly added events
to be incorrectly sorted in the event list in the 'Edit Clock'
dialog.
* Added a 'SERVICES.INCLUDE_IMPORT_MARKERS' field to the database.
* Added a 'LOGS.INCLUDE_IMPORT_MARKERS' field to the database.
* Incremented the database version to 301.
* Added an 'Inlcude Import Markers in Finished Logs' checkbox to
the 'Edit Service' dialog in rdadmin(1).
* Changed column headings to lower-case in rdairplay(1).
* Changed column headings to lower-case in rdlibrary(1).
* Changed column headings to lower-case in rdcatch(1).
* Changed column headings to lower-case in rdlogmanager(1).
* Applied a patch from albanpeignier that adds a second scheduler
code for music events.
* Added an 'EVENTS.HAVE_CODE2' field to the database.
* Incremented the database version to 241.