Replaced two more URLs, updated license headers, removed extra blank lines

Author: harawata

src/main/java/org/apache/ibatis/scripting/xmltags/OgnlCache.java

@@ -1,5 +1,5 @@
 /**
- *    Copyright 2009-2018 the original author or authors.
+ *    Copyright 2009-2020 the original author or authors.
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");
  *    you may not use this file except in compliance with the License.

src/main/java/org/apache/ibatis/session/Configuration.java

@@ -142,7 +142,7 @@ public class Configuration {
    * Configuration factory class.
    * Used to create Configuration for loading deserialized unread properties.
    *
-   * @see <a href='https://code.google.com/p/mybatis/issues/detail?id=300'>Issue 300 (google code)</a>
+   * @see <a href='https://github.com/mybatis/old-google-code-issues/issues/300'>Issue 300 (google code)</a>
    */
   protected Class<?> configurationFactory;
 

src/test/java/org/apache/ibatis/datasource/unpooled/UnpooledDataSourceTest.java

@@ -1,5 +1,5 @@
 /**
- *    Copyright 2009-2019 the original author or authors.
+ *    Copyright 2009-2020 the original author or authors.
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");
  *    you may not use this file except in compliance with the License.
@@ -30,7 +30,7 @@ class UnpooledDataSourceTest {
 
   @Test
   void shouldNotRegisterTheSameDriverMultipleTimes() throws Exception {
-    // https://code.google.com/p/mybatis/issues/detail?id=430
+    // https://github.com/mybatis/old-google-code-issues/issues/430
     UnpooledDataSource dataSource = null;
     dataSource = new UnpooledDataSource("org.hsqldb.jdbcDriver", "jdbc:hsqldb:mem:multipledrivers", "sa", "");
     dataSource.getConnection().close();

src/test/java/org/apache/ibatis/executor/resultset/DefaultResultSetHandlerTest.java

@@ -1,5 +1,5 @@
 /**
- *    Copyright 2009-2019 the original author or authors.
+ *    Copyright 2009-2020 the original author or authors.
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");
  *    you may not use this file except in compliance with the License.

src/test/java/org/apache/ibatis/submitted/refid_resolution/ExternalRefidResolutionTest.java

@@ -1,5 +1,5 @@
 /**
- *    Copyright 2009-2019 the original author or authors.
+ *    Copyright 2009-2020 the original author or authors.
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");
  *    you may not use this file except in compliance with the License.

src/test/java/org/apache/ibatis/submitted/serializecircular/SerializeCircularTest.java

@@ -24,8 +24,6 @@
 import org.apache.ibatis.session.SqlSessionFactoryBuilder;
 import org.junit.jupiter.api.Test;
 
-
-
 class SerializeCircularTest {
 
   @Test
@@ -42,9 +40,6 @@ void serializeAndDeserializeObjectsWithAggressiveLazyLoadingWithPreloadingAttrib
     }
   }
 
-  /**
-   * @see <a href="https://github.com/mybatis/old-google-code-issues/issues/614">Issue 614</a>
-   */
   @Test
   void serializeAndDeserializeObjectsWithoutAggressiveLazyLoadingWithoutPreloadingAttribute() throws Exception {
     try (SqlSession sqlSession = createSessionWithoutAggressiveLazyLoading()) {