dpf-plugins - 1.7+ds-3 main

Metapackage pulling-in collection of DPF-based plugins in
CLAP, LADSPA, DSSI, LV2, VST2 and VST3 formats.
.
The list of plugins/packs are:
- glBars
- Kars
- Mini-Series (3BandEQ, 3BandSplitter, PingPongPan)
- ndc-Plugs (Amplitude Imposer, Cycle Shifter, Soul Force)
- MVerb
- Nekobi
- ProM