new commands; midish_mode_on, midish_mode_off
new vars: $mode->{midish_terminal} and {midish_transport_sync}
Terminal: implement midish terminal mode
new midish_mode_* commands
implement midi_transport_sync mode
rec_cleanup() sets midish_transport_sync to "play"
Merge branch 'midi_mode'

Midish terminal mode.
You can sync midish transport with ecasound.