more gamepad changes

- now have a menu bar to access settings
- now handle user input to assign mappings
- fixed some typos
- now properly shutdown controller threads on exit
- renamed GamepadSettings to GamepadMapping
- created a lock to ensure we do not add/remove gamepads from the list while we are handling their events
- fixed settings directory booch

src/com/limelight/input/GamepadMapping.java

@@ -0,0 +1,40 @@
+package com.limelight.input;
+
+import java.io.Serializable;
+import java.util.HashMap;
+import java.util.Map.Entry;
+
+import net.java.games.input.Component;
+
+public class GamepadMapping implements Serializable {
+	private static final long serialVersionUID = -185035113915743149L;
+	
+	private HashMap<String, ControllerComponent> mapping;
+	
+	public GamepadMapping() {
+		mapping = new HashMap<String, ControllerComponent>();
+	}
+	
+	public void insertMapping(ControllerComponent contComp, Component comp) {
+		mapping.put(comp.getIdentifier().getName(), contComp);
+	}
+	
+	public ControllerComponent getControllerComponent(Component comp) {
+		return mapping.get(comp.getIdentifier().getName());
+	}
+	
+	/**
+	 * Gets the mapping for the specified component.</br>
+	 * NOTE: Use sparingly takes O(N) time.
+	 * @param contComp the component to get a mapping for
+	 * @return a mapping or an empty string if there is none
+	 */
+	public String getMapping(ControllerComponent contComp) {
+		for (Entry<String, ControllerComponent> entry : mapping.entrySet()) {
+			if (entry.getValue().equals(contComp)) {
+				return entry.getKey();
+			}
+		}
+		return "";
+	}
+}