fix former PR issues

Author: Sakary Jia

framework/src/main/java/org/tron/common/net/udp/message/discover/DiscoverMessageInspector.java

@@ -8,7 +8,7 @@
 
 public class DiscoverMessageInspector {
 
-  public static final Pattern PATTERN_IP = Pattern.compile("\\d+\\.\\d+\\.\\d+\\.\\d+");
+  public static final Pattern PATTERN_IP = Pattern.compile("^(1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|[1-9])\\.(1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)\\.(1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)\\.(1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)$");
 
   private static boolean isFound(String str, Pattern pattern) {
     if (str == null || pattern == null) {

framework/src/main/java/org/tron/common/overlay/discover/node/Node.java

@@ -33,9 +33,9 @@ public class Node implements Serializable {
 
   private boolean isFakeNodeId = false;
 
-  public Node(String encodeURL) {
+  public Node(String encodeURI) {
     try {
-      URI uri = new URI(encodeURL);
+      URI uri = new URI(encodeURI);
       if (!"encode".equals(uri.getScheme())) {
         throw new RuntimeException("expecting URL in the format encode://PUBKEY@HOST:PORT");
       }

framework/src/main/java/org/tron/common/overlay/discover/table/KademliaOptions.java

@@ -1,5 +1,25 @@
+/*
+ * Copyright (c) [2016] [ <ether.camp> ]
+ * This file is part of the ethereumJ library.
+ *
+ * The ethereumJ library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * The ethereumJ library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with the ethereumJ library. If not, see <http://www.gnu.org/licenses/>.
+ */
 package org.tron.common.overlay.discover.table;
 
+/**
+ * Created by kest on 5/25/15.
+ */
 public class KademliaOptions {
 
   public static final int NODE_ID_LEN = 64;