Channel Spectral Display

- Adds Channel Spectrum tab to display FFT of the audio output of the currently selected channel
 - Upgrades to JTransforms 3.0 FFT library
 - Adds three new context menus to main and channel spectral displays:
   -- Baseline - affects the vertical rendering baseline of the FFT
   -- Amplification - affects the vertical height of each FFT bin
   -- Averaging - affects how many FFTs are averaged to produce the display

src/source/tuner/TunerClass.java

@@ -84,7 +84,7 @@ public enum TunerClass
 		return mVendorDescription + " " + mDeviceDescription;
 	}
 	
-	public TunerType getTunerClass()
+	public TunerType getTunerType()
 	{
 		return mTunerType;
 	}