* Removed the 'Charset=' and 'Collation=' parameters from the
'[mySQL]' section of rd.conf(5).
* Removed support for the --mysql-charset=' and '--mysql-collation='
switches in rddbmgr(8).
* Refactored handling of character set and collation attributes
in rddbmgr(8) to treat them as immutable parts of the DB schema.
* Changed all instances of 'char' to 'varchar' in the database.
* Changed the width of the 'CART.TITLE' field to 191.
* Changed the width of the 'CART.ARTIST' field to 191.
* Changed the width of the 'CART.ALBUM' field to 191.
* Changed the width of the 'CART.USER_DEFINED' field to 191.
* Changed the width of the 'CUTS.ORIGIN_LOGIN_NAME' field to 191.
* Changed the width of the 'DROPBOXES.PATH' field to 191.
* Changed the width of the 'DROPBOXES.LOG_PATH' field to 191.
* Changed the width of the 'DROPBOXES.SET_USER_DEFINED' field to 191.
* Changed the width of the 'DROPBOX_PATHS.FILE_PATH' field to 191.
* Changed the width of the 'ELR_LINES.TITLE' field to 191.
* Changed the width of the 'ELR_LINES.ARTIST' field to 191.
* Changed the width of the 'ELR_LINES.USER_DEFINED' field to 191.
* Changed the width of the 'ELR_LINES.ALBUM' field to 191.
* Changed the width of the 'ENCODERS.COMMAND_LINE' field to 191.
* Changed the width of the 'EVENTS.NOTE_TEXT' field to 191.
* Changed the width of the 'EVENT_LINES.MARKER_COMMENT' field to 191.
* Changed the width of the 'FEEDS.CHANNEL_TITLE' field to 191.
* Changed the width of the 'FEEDS.CHANNEL_LINK' field to 191.
* Changed the width of the 'FEEDS.BASE_URL' field to 191.
* Changed the width of the 'FEEDS.BASE_PREAMBLE' field to 191.
* Changed the width of the 'FEEDS.PURGE_URL' field to 191.
* Changed the width of the 'FEEDS.REDIRECT_PATH' field to 191.
* Changed the width of the 'FEED_PERMS.USER_NAME' field to 191.
* Changed the width of the 'GROUPS.DESCRIPTION' field to 191.
* Changed the width of the 'GROUPS.DEFAULT_TITLE' field to 191.
* Changed the width of the 'HOSTVARS.VARVALUE' field to 191.
* Changed the width of the 'HOSTVARS.REMARK' field to 191.
* Changed the width of the 'IMPORTER_LINES.TITLE' field to 191.
* Changed the width of the 'IMPORTER_LINES.TRACK_STRING' field to 191.
* Changed the width of the 'INPUTS.NODE_HOSTNAME' field to 191.
* Changed the width of the 'LOGS.ORIGIN_USER' field to 191.
* Changed the width of the 'LOGS.LOCK_USER_NAME' field to 191.
* Changed the width of the 'LOG_LINES.COMMENT' field to 191.
* Changed the width of the 'LOG_LINES.ORIGIN_USER' field to 191.
* Changed the width of the 'LOG_MACHINES.UDP_ADDR' field to 191.
* Changed the width of the 'LOG_MACHINES.UDP_STRING' field to 191.
* Changed the width of the 'LOG_MACHINES.LOG_RML' field to 191.
* Changed the width of the 'MATRICES.GPIO_DEVICE' field to 191.
* Changed the width of the 'NOWNEXT_PLUGINS.PLUGIN_PATH' field to 191.
* Changed the width of the 'NOWNEXT_PLUGINS.PLUGIN_ARG' field to 191.
* Changed the width of the 'OUTPUTS.NODE_HOSTNAME' field to 191.
* Changed the width of the 'PODCASTS.ITEM_TITLE' field to 191.
* Changed the width of the 'PODCASTS.ITEM_LINK' field to 191.
* Changed the width of the 'PODCASTS.ITEM_COMMENTS' field to 191.
* Changed the width of the 'PODCASTS.ITEM_AUTHOR' field to 191.
* Changed the width of the 'PODCASTS.ITEM_SOURCE_URL' field to 191.
* Changed the width of the 'PODCASTS.AUDIO_FILENAME' field to 191.
* Changed the width of the 'RDAIRPLAY.SKIN_PATH' field to 191.
* Changed the width of the 'RDAIRPLAY_CHANNELS.START_RML' field to 191.
* Changed the width of the 'RDAIRPLAY_CHANNELS.STOP_RML' field to 191.
* Changed the width of the 'RDCATCH.ERROR_RML' field to 191.
* Changed the width of the 'RDPANEL.SKIN_PATH' field to 191.
* Changed the width of the 'RDPANEL_CHANNELS.START_RML' field to 191.
* Changed the width of the 'RDPANEL_CHANNELS.STOP_RML' field to 191.
* Changed the width of the 'RECORDINGS.URL' field to 191.
* Changed the width of the 'REPLICATORS.URL' field to 191.
* Changed the width of the 'REPL_CART_STATE.POSTED_FILENAME' field
to 191.
* Changed the width of the 'REPORTS.EXPORT_PATH' field to 191.
* Changed the width of the 'REPORTS.WIN_EXPORT_PATH' field to 191.
* Changed the width of the 'SERVICES.DESCRIPTION' field to 191.
* Changed the width of the 'SERVICES.NAME_TEMPLATE' field to 191.
* Changed the width of the 'SERVICES.DESCRIPTION_TEMPLATE' field to 191.
* Changed the width of the 'SERVICES.PROGRAM_CODE' field to 191.
* Changed the width of the 'SERVICES.TFC_PATH' field to 191.
* Changed the width of the 'SERVICES.TFC_WIN_PATH' field to 191.
* Changed the width of the 'SERVICES.MUS_PATH' field to 191.
* Changed the width of the 'SERVICES_MUS_WIN_PATH' field to 191.
* Changed the width of the 'STATIONS.USER_NAME' field to 191.
* Changed the width of the 'STATIONS.DEFAULT_NAME' field to 191.
* Changed the width of the 'STATIONS.EDITOR_PATH' field to 191.
* Changed the width of the 'STATIONS.JACK_COMMAND_LINE' field to 191.
* Changed the width of the 'SWITCHER_NODES.DESCRIPTION' field to 191.
* Changed the width of the 'SYSTEM.ISCI_XREFERENCE_PATH' field to 191.
* Changed the width of the 'USERS.LOGIN_NAME' field to 191.
* Changed the width of the 'USERS.FULL_NAME' field to 191.
* Changed the width of the 'USERS.DESCRIPTION' field to 191.
* Changed the width of the 'USER_PERMS.USER_NAME' field to 191.
* Changed the width of the 'USER_SERVICE_PERMS.USER_NAME' field to 191.
* Changed the width of the 'WEBAPI_AUTHS.LOGIN_NAME' field to 191.
* Changed the width of the 'WEB_CONNECTIONS.LOGIN_NAME' field to 191.
* Incremented the database version to 297.
* Changed the default DB charset to 'utf8mb4'.
* Changed the default DB collation to 'utf8mb4_general_ci'.
* Removed the MYSQL_BUILTIN_DATABASE define from 'lib/rd.h'.
* Removed the POSTGRESQL_BUILTIN_DATABASE define from 'lib/rd.h'.
* 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.
* Added an 'IMPORTER_LINES' table to the database.
* Incremented the database version to 295.
* Refactored the log importer code to use the static 'IMPORTER_LINES'
table.
* Fixed a bug in rddbmgr(8) that caused the 'AUDIO_CARDS',
'AUDIO_INPUTS' and 'AUDIO_OUTPUTS' table to be created with the
incorrect engine type when using '--modify'.
* Updated the 'init_template_host.py' script to work with
schema version 287.
* Added an 'EVENT_LINES' table to the database.
* Incremented the database version to 290.
* Removed the 'RDEvent::preimportTableName()' method.
* Removed the 'RDEvent::postimportTableName()' method.
* Added a 'STATIONS.JACK_PORT' field to the database.
* Incremented the database version to 287.
* Added an 'Initial Audio Ports' control to the 'JACK Configuration'
dialog in rdadmin(1).
* Implemented 'Activate JACK Port' ['JA'] and 'Remove JACK Port' ['JR']
RMLs.
* Added a sanity check to rddbmgr(8) to prevent reverting from an
unknown schema.
* Added a sanity check to rddbmgr(8) to prevent inadvertent
reversion to an implied schema.
* Stubbed out rddbmgr(8).
* Implemented the '--create' command in rddbmgr(8).
* Fixed a bug in 'RDStation::create()' that generated corrupt records
in the 'AUDIO_INPUT' and 'AUDIO_OUTPUTS' tables when creating a
new host with no exemplar.
