* 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.