* Added a 'RDLIBRARY.IS_SINGLETON' field to the database.
* Added a 'RDLOGEDIT.IS_SINGLETON' field to the database.
* Incremented the database version to 367.
* Added 'RDLibraryConf::isSingleton()' and
'RDLibraryConf::setIsSingleton()' methods.
* Added 'RDLogeditConf::isSingleton()' and
'RDLogeditConf::setIsSingleton()' methods.
* Modified rdcartslots(1), rdcastmanager(1), rdcatch(1),
rdlogmanager(1) and rdpanel(1) to allow only a single instance to
run at a time.
* Modified rdlibrary(1) and rdlogedit(1) to conditionally allow
only a single instance to run at a time.
* Added an rdsinglestart(1) utility.
* Added a 'wmctrl' dependency to the 'rivendell' RPM package.
Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
