OpenPandora build flags
Fix LV2 UI filename in the ttl files
Misc
ImageKnob updates, get rid of glDrawPixels
Update README
Use CPPFLAGS
Pass parameter values from plugin to UI on JACK mode
Fix knob log scale
Don't crash if NanoVG context is invalid; Always valid UI size
Fix ttl generator for mingw cross-compile
Add scripts and README used in Windows plugins releases