LV2 GUI: Ask for configure variables on startup.
LV2 GUI: Ask for configure variables on startup.

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