indent on column, update javadoc

(shendaras)

apps/heartbeat/java/src/net/i2p/heartbeat/ClientConfig.java

@@ -89,6 +89,7 @@ public class ClientConfig {
     /**
      * @param peer who we will test against
      * @param us who we are
+     * @param statFile the file to save stats to
      * @param duration how many minutes to keep events for
      * @param statFreq how often to write out stats
      * @param sendFreq how often to send pings