Added logging framework

src/zutil/log/LogFormatter.java

@@ -0,0 +1,15 @@
+package zutil.log;
+
+import java.util.logging.Level;
+
+public interface LogFormatter {
+	
+	/**
+	 * This method formats a log message in a specific way
+	 * 
+	 * @param source is the class that sent the  log
+	 * @param level is the severity of the log message
+ 	 * @param msg is the log message
+	 */
+	public String format( String source, Level level, String msg);
+}