Fixed the path finding algos a bit

src/zutil/algo/path/PathFinder.java

@@ -0,0 +1,21 @@
+package zutil.algo.path;
+
+import java.util.LinkedList;
+
+/**
+ * All path finding algorithms should implement this interface
+ * 
+ * @author Ziver
+ */
+public interface PathFinder {
+
+	/**
+	 * Starts the search for the path from the start
+	 * node to the goal.
+	 * 
+	 * @param start is the starting point of the search
+	 * @param goal is the search goal
+	 * @return a LinkedList of the path, empty list if no path was found
+	 */
+	public LinkedList<PathNode> find(PathNode start, PathNode goal);
+}