Add NativeGamepadListener

src/com/limelight/input/gamepad/NativeGamepadListener.java

@@ -0,0 +1,13 @@
+package com.limelight.input.gamepad;
+
+public interface NativeGamepadListener {
+	public void deviceAttached(int deviceId, int numButtons, int numAxes);
+	
+	public void deviceRemoved(int deviceId);
+	
+	public void buttonDown(int deviceId, int buttonId);
+	
+	public void buttonUp(int deviceId, int buttonId);
+	
+	public void axisMoved(int deviceId, int axisId, float value, float lastValue);
+}