WIP #34 - more work on tuner model and view. Includes new tuner

configuration and tuner configuration assignment editors.  Beginning of
tuner editor panel rework.   Removes most of the remaining JTree
configuration pieces.  Updates the settings manager to load and save
tuners and refactors all of the tuner configuration management out into
the tuner configuration model.

src/source/tuner/TunerEvent.java

@@ -0,0 +1,34 @@
+package source.tuner;
+
+public class TunerEvent
+{
+	private Tuner mTuner;
+	private Event mEvent;
+	
+	public TunerEvent( Tuner tuner, Event event )
+	{
+		mTuner = tuner;
+		mEvent = event;
+	}
+	
+	public Tuner getTuner()
+	{
+		return mTuner;
+	}
+
+	public Event getEvent()
+	{
+		return mEvent;
+	}
+	
+	public enum Event
+	{
+		ADD,
+		REMOVE,
+		CHANNEL_COUNT,
+		FREQUENCY,
+		SAMPLE_RATE,
+		REQUEST_MAIN_SPECTRAL_DISPLAY,
+		REQUEST_SECONDARY_SPECTRAL_DISPLAY;
+	}
+}