Improve rss(BAEL-1273) and done with BAEL-1519 (#3692)

* BAEL-1216: improve tests

* BAEL-1448: Update Spring 5 articles to use the release version

* Setting up the Maven Wrapper on a maven project

* Add Maven Wrapper on spring-boot module

* simple add

* BAEL-976: Update spring version

* BAEL-1273: Display RSS feed with spring mvc (AbstractRssFeedView)

* Move RSS feed with Spring MVC from spring-boot to spring-mvc-simple

* BAEL-1285: Update Jackson articles

* BAEL-1273: implement both MVC and Rest approach to serve RSS content

* RSS(XML & Json) with a custom model

* BAEL-1273: remove a resource

* BAEL-1519: Guide to scribejava

* BAEL-1273: improve xml representation

* Fix pom

out/test/test105/com/baeldung/cglib/proxy/README.md

@@ -0,0 +1,3 @@
+### Relevant articles
+
+- [Introduction to cglib](http://www.baeldung.com/cglib)

out/test/test143/com/baeldung/java9/README.MD

@@ -0,0 +1,2 @@
+### Relevant Artiles:
+- [Filtering a Stream of Optionals in Java](http://www.baeldung.com/java-filter-stream-of-optional)

out/test/test174/org/baeldung/hamcrest/README.md

@@ -0,0 +1,2 @@
+### Relevant Articles:
+- [Testing with Hamcrest](http://www.baeldung.com/java-junit-hamcrest-guide)

out/test/test191/com/baeldung/web/controller/README.md

@@ -0,0 +1,2 @@
+### Relevant Articles:
+- [WebAppConfiguration in Spring Tests](http://www.baeldung.com/spring-webappconfiguration)

out/test/test197/com/baeldung/java/nio2/README.md

@@ -0,0 +1,11 @@
+### Relevant Articles:
+- [Introduction to the Java NIO2 File API](http://www.baeldung.com/java-nio-2-file-api)
+- [Java NIO2 Path API](http://www.baeldung.com/java-nio-2-path)
+- [A Guide To NIO2 Asynchronous File Channel](http://www.baeldung.com/java-nio2-async-file-channel)
+- [Guide to Selenium with JUnit / TestNG](http://www.baeldung.com/java-selenium-with-junit-and-testng)
+- [A Guide to NIO2 Asynchronous Socket Channel](http://www.baeldung.com/java-nio2-async-socket-channel)
+- [A Guide To NIO2 FileVisitor](http://www.baeldung.com/java-nio2-file-visitor)
+- [A Guide To NIO2 File Attribute APIs](http://www.baeldung.com/java-nio2-file-attribute)
+- [How to use the Spring FactoryBean?](http://www.baeldung.com/spring-factorybean)
+- [A Guide to WatchService in Java NIO2](http://www.baeldung.com/java-nio2-watchservice)
+- [Guide to Java NIO2 Asynchronous Channel APIs](http://www.baeldung.com/java-nio-2-async-channels)

out/test/test237/META-INF/persistence.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence"
+             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+             xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
+    <persistence-unit name="punit">
+        <class>org.baeldung.persistence.model.Foo</class>
+        <class>org.baeldung.persistence.model.Bar</class>
+        <properties>
+            <property name="javax.persistence.jdbc.user" value="root"/>
+            <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
+            <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/HIBERTEST"/>
+            <property name="javax.persistence.ddl-generation" value="drop-and-create-tables"/>
+            <property name="javax.persistence.logging.level" value="INFO"/>
+            <property name="hibernate.show_sql" value="true"/>
+            <property name="hibernate.cache.use_second_level_cache" value="false"/>
+            <property name="hibernate.cache.use_query_cache" value="false"/>
+        </properties>
+
+    </persistence-unit>
+</persistence>

out/test/test95/com/baeldung/hexToAscii/README.md

@@ -0,0 +1,2 @@
+### Relevant Articles:
+- [Convert Hex to ASCII in Java](http://www.baeldung.com/java-convert-hex-to-ascii)

out/test/test95/com/baeldung/java/conversion/README.md

@@ -0,0 +1,2 @@
+Relevant Articles:
+- [Java String Conversions](http://www.baeldung.com/java-string-conversions)

out/test/test95/org/baeldung/java/collections/README.md

@@ -0,0 +1,3 @@
+### Relevant Articles:
+- [Join and Split Arrays and Collections in Java](http://www.baeldung.com/java-join-and-split)
+- [Introduction to Java Servlets](http://www.baeldung.com/intro-to-servlets)

out/test/test95/org/baeldung/java/lists/README.md

@@ -0,0 +1,2 @@
+### Relevant Articles:
+- [Check If Two Lists are Equal in Java](http://www.baeldung.com/java-test-a-list-for-ordinality-and-equality)

out/test/test98/com/baeldung/applicationcontext/README.md

@@ -0,0 +1,3 @@
+### Relevant Articles:
+- [Introduction to Java Servlets](http://www.baeldung.com/intro-to-servlets)
+- [Intro to the Spring ClassPathXmlApplicationContext](http://www.baeldung.com/spring-classpathxmlapplicationcontext)

out/test/test98/com/baeldung/beanfactory/README.md

@@ -0,0 +1,2 @@
+### Relevant Articles:
+- [Guide to the Spring BeanFactory](http://www.baeldung.com/spring-beanfactory)