+ JACK host: add dummy options for file open/save, stock IDs and accelerator handling
+ JACK host: add dummy options for file open/save, stock IDs and accelerator handling

adiknoth/calf,adiknoth/calf,adiknoth/calf,zamaudio/calf-LR4,adiknoth/calf,zamaudio/calf-LR4,jnetterf/calf,jnetterf/calf,zamaudio/calf-LR4,zamaudio/calf-LR4,zamaudio/calf-LR4,jnetterf/calf,jnetterf/calf,jnetterf/calf,adiknoth/calf