Changes:
* Add zalsa_in/out as internal client (based on zita-a2j/j2a and jack1 code)
* Fix jack_midi_dump deadlock on close after the jack server is restarted
* Fix interrupt signal for linux futex waits
* Log error message when cleaning previous DB (macOS and Windows)
Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>