Add syndicate plugin, enable juce7 vst3 hosting

Fix generate-lv2.sh script to work with juce7 plugins

Fix macOS CI

Fix juce5 build; update juce7; fix juce-opl plugin under mingw

Update juce libs

Update CI setup

Fix juce7 LV2 build with JUCE_AUDIOPROCESSOR_NO_GUI

Vitalium: Notify host of changed parameters on patch load.

Support PowerPC in generate-lv2.sh

Vitalium: Revert keybind changes.

Fix mingw LV2 build

Remove some old files

Fix build using clang

Import roth-air plugin

Update juce6.0 for cmake lv2 support