Updates pull request from Roman Tsypuk to convert the build system from

ant to gradle.  Removes linux and windows application launch scripts and
produces an executable jar with all resources included.

src/main/java/io/github/dsheirer/source/tuner/TunerEvent.java

@@ -0,0 +1,34 @@
+package io.github.dsheirer.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_NEW_SPECTRAL_DISPLAY;
+	}
+}