Added Sky Stone Tracking.

Added Meteorite Compass Block / Item.
Added Meteorite Spawner Debug Item.
Some Refactoring.

services/helpers/ICompassCallback.java

@@ -0,0 +1,15 @@
+package appeng.services.helpers;
+
+public interface ICompassCallback
+{
+
+	/**
+	 * Called from another thread.
+	 * 
+	 * @param hasResult
+	 * @param spin
+	 * @param radians
+	 */
+	public void calculatedDirection(boolean hasResult, boolean spin, double radians);
+
+}