Collection of DPF-based plugins.
They come in LADSPA, DSSI, LV2 and VST2 formats, but only LV2
plugins are included in the port.

The list of plugins:
* glBars
* Kars
* Max-Gen examples (MaBitcrush, MaFreeverb, MaGigaverb, MaPitchshift)
* Mini-Series (3BandEQ. 3BandSplitter, PingPongPan)
* ndc-Plugs (Amplitude Imposer, Cycle Shifter, Soul Force)
* MVerb
* Nekobi
* ProM
