Relocate Source to proper directory.

src/main/java/appeng/me/NodeIterator.java

@@ -0,0 +1,53 @@
+package appeng.me;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Set;
+
+public class NodeIterator<IGridNode> implements Iterator<IGridNode>
+{
+
+	boolean hasMore;
+	Iterator lvl1;
+	Iterator lvl2;
+
+	boolean pull()
+	{
+		hasMore = lvl1.hasNext();
+		if ( hasMore )
+		{
+			lvl2 = ((Collection) lvl1.next()).iterator();
+			return true;
+		}
+		return false;
+	}
+
+	public NodeIterator(HashMap<Class, Set<IGridNode>> machines) {
+		lvl1 = machines.values().iterator();
+		pull();
+	}
+
+	@Override
+	public boolean hasNext()
+	{
+		if ( lvl2.hasNext() )
+			return true;
+		if ( pull() )
+			return hasNext();
+		return hasMore;
+	}
+
+	@Override
+	public IGridNode next()
+	{
+		return (IGridNode) lvl2.next();
+	}
+
+	@Override
+	public void remove()
+	{
+		lvl2.remove();
+	}
+
+}