FIX - memory leak when connecting/disconnecting PB3 clients
FIX - when auto dial is not selected, the device for the call box should still be enabled
FIX - set client device to be conference colour if more than one call on device
FIX - ensure audio server devices show correctly as available / not available
FIX - add table purging routing to replication sync process (30 days)
FIX - refresh state of lines regardless of control state to set required internal fields, to prevent # appearing in lines with 'No Control' set.
FIX - 'add' menu showing in the wrong place from call log dock
FIX - add password mode to input box form (display password chars) used in global layout saves
FIX - wait and loop before starting Audio Server if no database connection can be made
