upgrade to JUCE 5.4.3. Remove (probably) unused JUCE modules. Remove VST2 target (it's been end-of-life'd by Steinberg and by JUCE)

modules/juce_audio_utils/players/juce_AudioProcessorPlayer.cpp

@@ -88,6 +88,15 @@ void AudioProcessorPlayer::setDoublePrecisionProcessing (bool doublePrecision)
     }
 }
 
+void AudioProcessorPlayer::setMidiOutput (MidiOutput* midiOutputToUse)
+{
+    if (midiOutput != midiOutputToUse)
+    {
+        const ScopedLock sl (lock);
+        midiOutput = midiOutputToUse;
+    }
+}
+
 //==============================================================================
 void AudioProcessorPlayer::audioDeviceIOCallback (const float** const inputChannelData,
                                                   const int numInputChannels,
@@ -163,6 +172,9 @@ void AudioProcessorPlayer::audioDeviceIOCallback (const float** const inputChann
                     processor->processBlock (buffer, incomingMidi);
                 }
 
+                if (midiOutput != nullptr)
+                    midiOutput->sendBlockOfMessagesNow (incomingMidi);
+
                 return;
             }
         }